diff --git a/components/files/file-browser.tsx b/components/files/file-browser.tsx
index 84b5afc4f..8a47b7d32 100644
--- a/components/files/file-browser.tsx
+++ b/components/files/file-browser.tsx
@@ -18,6 +18,7 @@ import { Button } from "@/components/ui/button";
 import { cn, formatFileSize } from "@/lib/utils";
 import { NewFolderDialog } from "@/components/files/new-folder-dialog";
 import { RenameDialog } from "@/components/files/rename-dialog";
+import { fileNameProblem } from "@/lib/file-name-rules";
 import { FileUploadArea } from "@/components/files/file-upload-area";
 import { loadFilesSettings } from "@/components/files/files-settings-dialog";
 import type { FolderLayout } from "@/components/files/files-settings-dialog";
@@ -400,6 +401,12 @@ export function FileBrowser({
   onShare,
 }: FileBrowserProps) {
   const t = useTranslations("files");
+  const fileNameRules = useMemo(() => client?.getFileNameRules?.() ?? null, [client]);
+  const validateFileName = useCallback((name: string) => {
+    const problem = fileNameProblem(name, fileNameRules);
+    if (!problem) return null;
+    return problem.kind === "chars" ? t("name_forbidden_chars", { chars: problem.chars }) : t("name_reserved");
+  }, [fileNameRules, t]);
   const [showNewFolder, setShowNewFolder] = useState(false);
   const [renameTarget, setRenameTarget] = useState<string | null>(null);
   const [shareTargetId, setShareTargetId] = useState<string | null>(null);
@@ -2003,6 +2010,7 @@ export function FileBrowser({
             setShowNewFolder(false);
           }}
           onCancel={() => setShowNewFolder(false)}
+          validate={validateFileName}
         />
       )}
 
@@ -2017,6 +2025,7 @@ export function FileBrowser({
             setShowNewTextFile(false);
           }}
           onCancel={() => setShowNewTextFile(false)}
+          validate={validateFileName}
         />
       )}
 
@@ -2029,6 +2038,7 @@ export function FileBrowser({
             setRenameTarget(null);
           }}
           onCancel={() => setRenameTarget(null)}
+          validate={validateFileName}
         />
       )}
 
diff --git a/components/files/new-folder-dialog.tsx b/components/files/new-folder-dialog.tsx
index 6456a3d35..b6ca1181b 100644
--- a/components/files/new-folder-dialog.tsx
+++ b/components/files/new-folder-dialog.tsx
@@ -8,17 +8,20 @@ import { Input } from "@/components/ui/input";
 interface NewFolderDialogProps {
   onConfirm: (name: string) => Promise<void>;
   onCancel: () => void;
+  /** Returns an error message for a name the server would refuse. */
+  validate?: (name: string) => string | null;
 }
 
-export function NewFolderDialog({ onConfirm, onCancel }: NewFolderDialogProps) {
+export function NewFolderDialog({ onConfirm, onCancel, validate }: NewFolderDialogProps) {
   const t = useTranslations("files");
   const [name, setName] = useState("");
   const [isSubmitting, setIsSubmitting] = useState(false);
+  const nameError = name.trim() ? validate?.(name.trim()) ?? null : null;
 
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
     const trimmed = name.trim();
-    if (!trimmed) return;
+    if (!trimmed || validate?.(trimmed)) return;
 
     setIsSubmitting(true);
     try {
@@ -41,13 +44,15 @@ export function NewFolderDialog({ onConfirm, onCancel }: NewFolderDialogProps) {
             value={name}
             onChange={(e) => setName(e.target.value)}
             placeholder={t("new_folder_name")}
-            className="mb-4"
+            className={nameError ? "mb-1" : "mb-4"}
+            aria-invalid={!!nameError}
           />
+          {nameError && <p className="text-xs text-destructive mb-3">{nameError}</p>}
           <div className="flex justify-end gap-2">
             <Button type="button" variant="outline" onClick={onCancel} disabled={isSubmitting}>
               {t("cancel")}
             </Button>
-            <Button type="submit" disabled={!name.trim() || isSubmitting}>
+            <Button type="submit" disabled={!name.trim() || !!nameError || isSubmitting}>
               {t("create")}
             </Button>
           </div>
diff --git a/components/files/rename-dialog.tsx b/components/files/rename-dialog.tsx
index 7528bb3dd..f4b52fa87 100644
--- a/components/files/rename-dialog.tsx
+++ b/components/files/rename-dialog.tsx
@@ -11,17 +11,20 @@ interface RenameDialogProps {
   label?: string;
   onConfirm: (newName: string) => Promise<void>;
   onCancel: () => void;
+  /** Returns an error message for a name the server would refuse. */
+  validate?: (name: string) => string | null;
 }
 
-export function RenameDialog({ currentName, title, label, onConfirm, onCancel }: RenameDialogProps) {
+export function RenameDialog({ currentName, title, label, onConfirm, onCancel, validate }: RenameDialogProps) {
   const t = useTranslations("files");
   const [name, setName] = useState(currentName);
   const [isSubmitting, setIsSubmitting] = useState(false);
+  const nameError = name.trim() ? validate?.(name.trim()) ?? null : null;
 
   const handleSubmit = async (e: React.FormEvent) => {
     e.preventDefault();
     const trimmed = name.trim();
-    if (!trimmed) return;
+    if (!trimmed || validate?.(trimmed)) return;
 
     setIsSubmitting(true);
     try {
@@ -44,13 +47,15 @@ export function RenameDialog({ currentName, title, label, onConfirm, onCancel }:
             value={name}
             onChange={(e) => setName(e.target.value)}
             placeholder={label || t("new_name")}
-            className="mb-4"
+            className={nameError ? "mb-1" : "mb-4"}
+            aria-invalid={!!nameError}
           />
+          {nameError && <p className="text-xs text-destructive mb-3">{nameError}</p>}
           <div className="flex justify-end gap-2">
             <Button type="button" variant="outline" onClick={onCancel} disabled={isSubmitting}>
               {t("cancel")}
             </Button>
-            <Button type="submit" disabled={!name.trim() || isSubmitting}>
+            <Button type="submit" disabled={!name.trim() || !!nameError || isSubmitting}>
               {t("save")}
             </Button>
           </div>
diff --git a/lib/__tests__/file-name-rules.test.ts b/lib/__tests__/file-name-rules.test.ts
new file mode 100644
index 000000000..98314d397
--- /dev/null
+++ b/lib/__tests__/file-name-rules.test.ts
@@ -0,0 +1,30 @@
+import { describe, it, expect } from 'vitest';
+import { acceptedFileName, fileNameProblem, fileNameRulesFrom } from '../file-name-rules';
+
+// The filenode capability Stalwart 0.16.23 publishes.
+const STALWART = fileNameRulesFrom({
+  maxSizeFileNodeName: 255,
+  forbiddenNameChars: '/<>:"\\|?*',
+  forbiddenNodeNames: ['.', '..', 'CON', 'PRN', 'AUX', 'NUL', 'COM1', 'LPT1'],
+});
+
+describe('file name rules', () => {
+  it('has no rules for servers that publish none (Stalwart before 0.16.6)', () => {
+    expect(fileNameRulesFrom({ maxSizeFileNodeName: 255 })).toBeNull();
+    expect(fileNameProblem('a:b', null)).toBeNull();
+    expect(acceptedFileName('a:b', null)).toBe('a:b');
+  });
+
+  it('reports forbidden characters and reserved names', () => {
+    expect(fileNameProblem('bad:name?.txt', STALWART)).toEqual({ kind: 'chars', chars: ': ?' });
+    expect(fileNameProblem('con', STALWART)).toEqual({ kind: 'reserved' });
+    expect(fileNameProblem('CON.txt', STALWART)).toBeNull();
+    expect(fileNameProblem('report.pdf', STALWART)).toBeNull();
+  });
+
+  it('turns an uploaded name into one the server accepts', () => {
+    expect(acceptedFileName('bad:name?.txt', STALWART)).toBe('bad_name_.txt');
+    expect(acceptedFileName('NUL', STALWART)).toBe('NUL_');
+    expect(acceptedFileName('fine.txt', STALWART)).toBe('fine.txt');
+  });
+});
diff --git a/lib/file-name-rules.ts b/lib/file-name-rules.ts
new file mode 100644
index 000000000..eeebe0a6f
--- /dev/null
+++ b/lib/file-name-rules.ts
@@ -0,0 +1,45 @@
+/**
+ * FileNode naming rules a server publishes in its filenode capability
+ * (`forbiddenNameChars`, `forbiddenNodeNames`; Stalwart 0.16.6+). A name that
+ * breaks them is refused ("Name contains a forbidden character." / "Name is
+ * reserved and cannot be used."), which used to surface only after an upload
+ * had started and then aborted the rest of the batch.
+ */
+export interface FileNameRules {
+  forbiddenChars: string;
+  forbiddenNames: string[];
+}
+
+export type FileNameProblem = { kind: 'chars'; chars: string } | { kind: 'reserved' };
+
+export function fileNameRulesFrom(capability: unknown): FileNameRules | null {
+  if (!capability || typeof capability !== 'object') return null;
+  const cap = capability as { forbiddenNameChars?: unknown; forbiddenNodeNames?: unknown };
+  const forbiddenChars = typeof cap.forbiddenNameChars === 'string' ? cap.forbiddenNameChars : '';
+  const forbiddenNames = Array.isArray(cap.forbiddenNodeNames)
+    ? cap.forbiddenNodeNames.filter((n): n is string => typeof n === 'string')
+    : [];
+  if (!forbiddenChars && forbiddenNames.length === 0) return null;
+  return { forbiddenChars, forbiddenNames };
+}
+
+export function fileNameProblem(name: string, rules: FileNameRules | null): FileNameProblem | null {
+  if (!rules) return null;
+  const bad = [...new Set([...name].filter(c => rules.forbiddenChars.includes(c)))];
+  if (bad.length) return { kind: 'chars', chars: bad.join(' ') };
+  // Matched against the whole name, ignoring case: "CON" is reserved, "CON.txt" is not.
+  if (rules.forbiddenNames.some(n => n.toLowerCase() === name.toLowerCase())) return { kind: 'reserved' };
+  return null;
+}
+
+/**
+ * A variant of `name` the server accepts: forbidden characters become "_",
+ * a reserved name gets "_" appended. Used for uploads, where the name comes
+ * from the local file system and cannot be asked for again.
+ */
+export function acceptedFileName(name: string, rules: FileNameRules | null): string {
+  if (!rules) return name;
+  let out = [...name].map(c => (rules.forbiddenChars.includes(c) ? '_' : c)).join('');
+  if (rules.forbiddenNames.some(n => n.toLowerCase() === out.toLowerCase())) out = `${out}_`;
+  return out;
+}
diff --git a/lib/jmap/client-interface.ts b/lib/jmap/client-interface.ts
index 1966d122f..9e2287a87 100644
--- a/lib/jmap/client-interface.ts
+++ b/lib/jmap/client-interface.ts
@@ -1,5 +1,6 @@
 import type { Email, Mailbox, MailboxRights, StateChange, AccountStates, CollectionChanges, ShareNotification, BusyPeriod, CalendarParticipantIdentity, CalendarEventNotification, Thread, Identity, EmailAddress, ContactCard, AddressBook, AddressBookRights, VacationResponse, Calendar, CreateCalendarOptions, CalendarRights, CalendarEvent, CalendarEventFilter, CalendarTask, FileNode, FileNodeRights, Principal, PushSubscription, EmailPushConfig, ScheduledEmail, SendEmailResult, SharedAccount } from "./types";
 import type { SieveScript, SieveCapabilities } from "./sieve-types";
+import type { FileNameRules } from "@/lib/file-name-rules";
 import type { SortLevel } from "@/lib/message-list-order";
 
 /** What `migrateKeyword` managed to do. */
@@ -58,6 +59,8 @@ export interface IJMAPClient {
   // ── Capabilities ──────────────────────────────────────────────
   getCapabilities(): Record<string, unknown>;
   hasAccountCapability(capability: string, accountId?: string): boolean;
+  /** FileNode naming rules the server publishes (Stalwart 0.16.6+), if any. */
+  getFileNameRules?(accountId?: string): FileNameRules | null;
   getMaxSizeUpload(): number;
   getMaxCallsInRequest(): number;
   getMaxObjectsInGet(): number;
diff --git a/lib/jmap/client.ts b/lib/jmap/client.ts
index 3148b459d..4ce9e7f70 100644
--- a/lib/jmap/client.ts
+++ b/lib/jmap/client.ts
@@ -15,6 +15,7 @@ import { DEFAULT_CALENDAR_COMPONENTS, mkCalendarCollection, newCalendarCollectio
 import { sanitizeDisplayName, splitMailbox } from "@/lib/rfc5322-mailbox";
 import { decodeFileNodeName } from "./filenode-name";
 import { contactFromWire, contactToWire } from "./contact-wire";
+import { acceptedFileName, fileNameRulesFrom, type FileNameRules } from "@/lib/file-name-rules";
 import { getEffectiveTimeZone, toLocalDateTime } from "@/lib/timezone";
 import { buildEmailSort, compareEmails, hasKeywordLevels, type KeywordSortPolarity, type SortLevel } from "@/lib/message-list-order";
 
@@ -4632,6 +4633,12 @@ export class JMAPClient implements IJMAPClient {
     return capability in this.capabilities;
   }
 
+  /** The value of an account capability (primary account by default). */
+  getAccountCapability(capability: string, accountId?: string): unknown {
+    const id = accountId || this.accountId;
+    return this.session?.accounts?.[id]?.accountCapabilities?.[capability];
+  }
+
   /** Check whether a capability is present on the primary account. */
   hasAccountCapability(capability: string, accountId?: string): boolean {
     const id = accountId || this.accountId;
@@ -7492,12 +7499,7 @@ export class JMAPClient implements IJMAPClient {
       : this.resolveFileNodeId(fileNodeId);
     const accountId = node.accountId;
     const rawId = node.id as string;
-    // `forbiddenNameChars` arrived with the draft (Stalwart 0.16.6) that split
-    // mayWrite into the finer rights; older servers reject those names.
-    const fileCapability = this.session?.accounts?.[accountId]?.accountCapabilities?.["urn:ietf:params:jmap:filenode"] as
-      Record<string, unknown> | undefined;
-    const legacyRights = !!fileCapability && !("forbiddenNameChars" in fileCapability);
-    const wireRights = rights && legacyRights ? toLegacyRights(rights) : rights;
+    const wireRights = rights && this.isLegacyFileNodeServer(accountId) ? toLegacyRights(rights) : rights;
     const response = await this.request([
       ["FileNode/set", {
         accountId,
@@ -7534,6 +7536,25 @@ export class JMAPClient implements IJMAPClient {
     return { accountId: primary, id };
   }
 
+  private fileNodeCapability(accountId: string): Record<string, unknown> | undefined {
+    return this.getAccountCapability("urn:ietf:params:jmap:filenode", accountId) as Record<string, unknown> | undefined;
+  }
+
+  /**
+   * Stalwart before 0.16.6 implements an older File Storage draft (old
+   * rights names, 30-character MIME types, no naming rules). The draft update
+   * added `forbiddenNameChars` to the capability, which tells them apart.
+   */
+  private isLegacyFileNodeServer(accountId: string): boolean {
+    const cap = this.fileNodeCapability(accountId);
+    return !!cap && !("forbiddenNameChars" in cap);
+  }
+
+  /** Naming rules for new FileNodes in `accountId`, if the server publishes any. */
+  getFileNameRules(accountId?: string): FileNameRules | null {
+    return fileNameRulesFrom(this.fileNodeCapability(accountId || this.getFilesAccountId()));
+  }
+
   /** Namespace a node created in `accountId` the way the listings do. */
   private namespaceFileNode(node: FileNode, accountId: string): FileNode {
     if (accountId === this.getFilesAccountId()) return node;
@@ -7566,7 +7587,9 @@ export class JMAPClient implements IJMAPClient {
     props: Record<string, unknown>,
     what: string,
   ): Promise<FileNode> {
-    const baseName = String(props.name ?? '');
+    // Names from the local file system (uploads) may hold characters the
+    // server refuses; store an accepted variant instead of failing the batch.
+    const baseName = acceptedFileName(String(props.name ?? ''), this.getFileNameRules(accountId));
     for (let attempt = 1; ; attempt++) {
       const name = attempt === 1 ? baseName : numberedFileName(baseName, attempt);
       const response = await this.request(
@@ -7610,8 +7633,10 @@ export class JMAPClient implements IJMAPClient {
   async createFileNode(name: string, blobId: string, type: string, size: number, parentId: string | null): Promise<FileNode> {
     const parent = this.resolveFileNodeId(parentId);
 
-    //fall back for long MIME types
-    const safeType = type.length > 30 ? 'application/octet-stream' : type;
+    // Servers before 0.16.6 refuse MIME types over 30 characters (most OOXML
+    // types); later ones take up to 255.
+    const maxTypeLength = this.isLegacyFileNodeServer(parent.accountId) ? 30 : 255;
+    const safeType = type.length > maxTypeLength ? 'application/octet-stream' : type;
     const fileProps: Record<string, unknown> = { name, type: safeType, blobId, size };
     if (parent.id !== null) {
       fileProps.parentId = parent.id;
diff --git a/locales/ar/common.json b/locales/ar/common.json
index a6c736d7b..915db2c8b 100644
--- a/locales/ar/common.json
+++ b/locales/ar/common.json
@@ -3325,6 +3325,8 @@
     "rename": "إعادة تسمية",
     "rename_title": "إعادة تسمية",
     "new_name": "الاسم الجديد",
+    "name_forbidden_chars": "لا يسمح الخادم بهذه الأحرف في الأسماء: {chars}",
+    "name_reserved": "هذا الاسم محجوز على الخادم.",
     "delete": "حذف",
     "delete_confirm_title": "حذف المورد",
     "delete_confirm_message": "هل أنت متأكد أنك تريد حذف \"{name}\"؟ لا يمكن التراجع عن هذا.",
diff --git a/locales/ca/common.json b/locales/ca/common.json
index 3c1e7c7c7..1abd4f014 100644
--- a/locales/ca/common.json
+++ b/locales/ca/common.json
@@ -3325,6 +3325,8 @@
     "rename": "Canvia el nom",
     "rename_title": "Canvia el nom",
     "new_name": "Nom nou",
+    "name_forbidden_chars": "El servidor no permet aquests caràcters als noms: {chars}",
+    "name_reserved": "Aquest nom està reservat al servidor.",
     "delete": "Suprimeix",
     "delete_confirm_title": "Suprimeix el recurs",
     "delete_confirm_message": "Segur que voleu suprimir «{name}»? Això no es pot desfer.",
diff --git a/locales/cs/common.json b/locales/cs/common.json
index bf994926a..8e7a05209 100644
--- a/locales/cs/common.json
+++ b/locales/cs/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Přejmenovat",
     "rename_title": "Přejmenovat",
     "new_name": "Nový název",
+    "name_forbidden_chars": "Server nepovoluje v názvech tyto znaky: {chars}",
+    "name_reserved": "Tento název je na serveru vyhrazen.",
     "delete": "Odstranit",
     "delete_confirm_title": "Odstranit položku",
     "delete_confirm_message": "Opravdu chcete odstranit \"{name}\"? Tuto akci nelze vrátit zpět.",
diff --git a/locales/da/common.json b/locales/da/common.json
index f04ede91b..6e8ebc125 100644
--- a/locales/da/common.json
+++ b/locales/da/common.json
@@ -3325,6 +3325,8 @@
     "rename": "Omdøb",
     "rename_title": "Omdøb",
     "new_name": "Nyt navn",
+    "name_forbidden_chars": "Serveren tillader ikke disse tegn i navne: {chars}",
+    "name_reserved": "Dette navn er reserveret på serveren.",
     "delete": "Slet",
     "delete_confirm_title": "Slet ressource",
     "delete_confirm_message": "Er du sikker på, at du vil slette \"{name}\"? Dette kan ikke fortrydes.",
diff --git a/locales/de/common.json b/locales/de/common.json
index 0dbed8760..cb0cfe760 100644
--- a/locales/de/common.json
+++ b/locales/de/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Umbenennen",
     "rename_title": "Umbenennen",
     "new_name": "Neuer Name",
+    "name_forbidden_chars": "Diese Zeichen sind in Namen auf dem Server nicht erlaubt: {chars}",
+    "name_reserved": "Dieser Name ist auf dem Server reserviert.",
     "delete": "Löschen",
     "delete_confirm_title": "Ressource löschen",
     "delete_confirm_message": "Möchten Sie \"{name}\" wirklich löschen? Dies kann nicht rückgängig gemacht werden.",
diff --git a/locales/en/common.json b/locales/en/common.json
index 851a0e4fd..ec1ed2ea7 100644
--- a/locales/en/common.json
+++ b/locales/en/common.json
@@ -3325,6 +3325,8 @@
     "rename": "Rename",
     "rename_title": "Rename",
     "new_name": "New name",
+    "name_forbidden_chars": "The server does not allow these characters in names: {chars}",
+    "name_reserved": "This name is reserved on the server.",
     "delete": "Delete",
     "delete_confirm_title": "Delete resource",
     "delete_confirm_message": "Are you sure you want to delete \"{name}\"? This cannot be undone.",
diff --git a/locales/es/common.json b/locales/es/common.json
index aa5a72a05..a76b95330 100644
--- a/locales/es/common.json
+++ b/locales/es/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Renombrar",
     "rename_title": "Renombrar",
     "new_name": "Nuevo nombre",
+    "name_forbidden_chars": "El servidor no permite estos caracteres en los nombres: {chars}",
+    "name_reserved": "Este nombre está reservado en el servidor.",
     "delete": "Eliminar",
     "delete_confirm_title": "Eliminar recurso",
     "delete_confirm_message": "¿Está seguro de que desea eliminar \"{name}\"? Esta acción no se puede deshacer.",
diff --git a/locales/fa/common.json b/locales/fa/common.json
index 40a96f9c8..03c400adc 100644
--- a/locales/fa/common.json
+++ b/locales/fa/common.json
@@ -3325,6 +3325,8 @@
     "rename": "تغییر نام",
     "rename_title": "تغییر نام",
     "new_name": "نام جدید",
+    "name_forbidden_chars": "سرور این نویسه‌ها را در نام‌ها مجاز نمی‌داند: {chars}",
+    "name_reserved": "این نام در سرور رزرو شده است.",
     "delete": "حذف",
     "delete_confirm_title": "حذف منبع",
     "delete_confirm_message": "آیا از حذف \"{name}\" اطمینان دارید؟ این عملیات قابل بازگشت نیست.",
diff --git a/locales/fr/common.json b/locales/fr/common.json
index 6fd321684..031c3fbb4 100644
--- a/locales/fr/common.json
+++ b/locales/fr/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Renommer",
     "rename_title": "Renommer",
     "new_name": "Nouveau nom",
+    "name_forbidden_chars": "Le serveur n'autorise pas ces caractères dans les noms : {chars}",
+    "name_reserved": "Ce nom est réservé sur le serveur.",
     "delete": "Supprimer",
     "delete_confirm_title": "Supprimer la ressource",
     "delete_confirm_message": "Êtes-vous sûr de vouloir supprimer \"{name}\" ? Cette action est irréversible.",
diff --git a/locales/he/common.json b/locales/he/common.json
index 27d3d8741..dea351914 100644
--- a/locales/he/common.json
+++ b/locales/he/common.json
@@ -3206,6 +3206,8 @@
     "rename": "שנה שם",
     "rename_title": "שנה שם",
     "new_name": "שם חדש",
+    "name_forbidden_chars": "השרת אינו מתיר את התווים האלה בשמות: {chars}",
+    "name_reserved": "השם הזה שמור בשרת.",
     "delete": "לִמְחוֹק",
     "delete_confirm_title": "מחק משאב",
     "delete_confirm_message": "האם אתה בטוח שברצונך למחוק את \"{name}\"? לא ניתן לבטל זאת.",
diff --git a/locales/hu/common.json b/locales/hu/common.json
index 78bc4e487..a9aa10076 100644
--- a/locales/hu/common.json
+++ b/locales/hu/common.json
@@ -3325,6 +3325,8 @@
     "rename": "Átnevezés",
     "rename_title": "Átnevezés",
     "new_name": "Új név",
+    "name_forbidden_chars": "A kiszolgáló nem engedi ezeket a karaktereket a nevekben: {chars}",
+    "name_reserved": "Ez a név a kiszolgálón foglalt.",
     "delete": "Törlés",
     "delete_confirm_title": "Erőforrás törlése",
     "delete_confirm_message": "Biztosan törölni szeretnéd a \"{name}\" elemet? Ez nem vonható vissza.",
diff --git a/locales/it/common.json b/locales/it/common.json
index 5fe5dd088..7ead46d4e 100644
--- a/locales/it/common.json
+++ b/locales/it/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Rinomina",
     "rename_title": "Rinomina",
     "new_name": "Nuovo nome",
+    "name_forbidden_chars": "Il server non consente questi caratteri nei nomi: {chars}",
+    "name_reserved": "Questo nome è riservato sul server.",
     "delete": "Elimina",
     "delete_confirm_title": "Elimina risorsa",
     "delete_confirm_message": "Sei sicuro di voler eliminare \"{name}\"? Questa azione non può essere annullata.",
diff --git a/locales/ja/common.json b/locales/ja/common.json
index 83658b1a4..fb35af8b9 100644
--- a/locales/ja/common.json
+++ b/locales/ja/common.json
@@ -3283,6 +3283,8 @@
     "rename": "名前を変更",
     "rename_title": "名前を変更",
     "new_name": "新しい名前",
+    "name_forbidden_chars": "サーバーでは名前に次の文字を使用できません: {chars}",
+    "name_reserved": "この名前はサーバーで予約されています。",
     "delete": "削除",
     "delete_confirm_title": "リソースを削除",
     "delete_confirm_message": "\"{name}\"を削除してもよろしいですか？この操作は元に戻せません。",
diff --git a/locales/ko/common.json b/locales/ko/common.json
index 034de1970..1f6a7f8bf 100644
--- a/locales/ko/common.json
+++ b/locales/ko/common.json
@@ -3283,6 +3283,8 @@
     "rename": "이름 바꾸기",
     "rename_title": "이름 바꾸기",
     "new_name": "새 이름",
+    "name_forbidden_chars": "서버에서 이름에 다음 문자를 허용하지 않습니다: {chars}",
+    "name_reserved": "이 이름은 서버에서 예약되어 있습니다.",
     "delete": "삭제",
     "delete_confirm_title": "항목 삭제",
     "delete_confirm_message": "정말 \"{name}\"을(를) 삭제할까요? 이 작업은 되돌릴 수 없어요.",
diff --git a/locales/lv/common.json b/locales/lv/common.json
index 4e86b9867..990899f33 100644
--- a/locales/lv/common.json
+++ b/locales/lv/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Pārdēvēt",
     "rename_title": "Pārdēvēt",
     "new_name": "Jauns nosaukums",
+    "name_forbidden_chars": "Serveris neatļauj šīs rakstzīmes nosaukumos: {chars}",
+    "name_reserved": "Šis nosaukums serverī ir rezervēts.",
     "delete": "Dzēst",
     "delete_confirm_title": "Dzēst resursu",
     "delete_confirm_message": "Vai tiešām vēlaties dzēst «{name}»? Šo darbību nevar atcelt.",
diff --git a/locales/mn/common.json b/locales/mn/common.json
index b5b949591..428eae047 100644
--- a/locales/mn/common.json
+++ b/locales/mn/common.json
@@ -3325,6 +3325,8 @@
     "rename": "Нэрээ өөрчлөх",
     "rename_title": "Нэрээ өөрчлөх",
     "new_name": "Шинэ нэр",
+    "name_forbidden_chars": "Сервер нэрэнд эдгээр тэмдэгтийг зөвшөөрдөггүй: {chars}",
+    "name_reserved": "Энэ нэр сервер дээр нөөцлөгдсөн.",
     "delete": "Устгах",
     "delete_confirm_title": "Нөөцийг устгах",
     "delete_confirm_message": "Та \"{name}\"-г устгахдаа итгэлтэй байна уу? Үүнийг буцаах боломжгүй.",
diff --git a/locales/nb/common.json b/locales/nb/common.json
index 2a1f89edf..f5276bd01 100644
--- a/locales/nb/common.json
+++ b/locales/nb/common.json
@@ -3325,6 +3325,8 @@
     "rename": "Gi nytt navn",
     "rename_title": "Gi nytt navn",
     "new_name": "Nytt navn",
+    "name_forbidden_chars": "Serveren tillater ikke disse tegnene i navn: {chars}",
+    "name_reserved": "Dette navnet er reservert på serveren.",
     "delete": "Slett",
     "delete_confirm_title": "Slett fil eller mappe",
     "delete_confirm_message": "Er du sikker på at du vil slette «{name}»? Dette kan ikke angres.",
diff --git a/locales/nl/common.json b/locales/nl/common.json
index 5bb97790e..c8963900e 100644
--- a/locales/nl/common.json
+++ b/locales/nl/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Hernoemen",
     "rename_title": "Hernoemen",
     "new_name": "Nieuwe naam",
+    "name_forbidden_chars": "De server staat deze tekens niet toe in namen: {chars}",
+    "name_reserved": "Deze naam is gereserveerd op de server.",
     "delete": "Verwijderen",
     "delete_confirm_title": "Bron verwijderen",
     "delete_confirm_message": "Weet u zeker dat u \"{name}\" wilt verwijderen? Dit kan niet ongedaan worden gemaakt.",
diff --git a/locales/pl/common.json b/locales/pl/common.json
index c4ccfdae9..7e882dc3a 100644
--- a/locales/pl/common.json
+++ b/locales/pl/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Zmień nazwę",
     "rename_title": "Zmień nazwę",
     "new_name": "Nowa nazwa",
+    "name_forbidden_chars": "Serwer nie zezwala na te znaki w nazwach: {chars}",
+    "name_reserved": "Ta nazwa jest zarezerwowana na serwerze.",
     "delete": "Usuń",
     "delete_confirm_title": "Usuń zasób",
     "delete_confirm_message": "Czy na pewno chcesz usunąć \"{name}\"? Tej operacji nie można cofnąć.",
diff --git a/locales/pt/common.json b/locales/pt/common.json
index 3c8fec9af..29fb3c13a 100644
--- a/locales/pt/common.json
+++ b/locales/pt/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Renomear",
     "rename_title": "Renomear",
     "new_name": "Novo nome",
+    "name_forbidden_chars": "O servidor não permite estes caracteres nos nomes: {chars}",
+    "name_reserved": "Este nome está reservado no servidor.",
     "delete": "Eliminar",
     "delete_confirm_title": "Eliminar recurso",
     "delete_confirm_message": "Tem a certeza de que deseja eliminar \"{name}\"? Esta ação não pode ser desfeita.",
diff --git a/locales/ro/common.json b/locales/ro/common.json
index 1a2e67460..6bfbb8fa3 100644
--- a/locales/ro/common.json
+++ b/locales/ro/common.json
@@ -3325,6 +3325,8 @@
     "rename": "Redenumire",
     "rename_title": "Redenumire",
     "new_name": "Nume nou",
+    "name_forbidden_chars": "Serverul nu permite aceste caractere în nume: {chars}",
+    "name_reserved": "Acest nume este rezervat pe server.",
     "delete": "Șterge",
     "delete_confirm_title": "Ștergeți resursa",
     "delete_confirm_message": "Sunteți sigur că doriți să ștergeți „{name}”? Această acțiune nu poate fi anulată.",
diff --git a/locales/ru/common.json b/locales/ru/common.json
index 9a370ddfd..8dfc3ffcd 100644
--- a/locales/ru/common.json
+++ b/locales/ru/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Переименовать",
     "rename_title": "Переименовать",
     "new_name": "Новое название",
+    "name_forbidden_chars": "Сервер не допускает эти символы в именах: {chars}",
+    "name_reserved": "Это имя зарезервировано на сервере.",
     "delete": "Удалить",
     "delete_confirm_title": "Удалить ресурс",
     "delete_confirm_message": "Вы уверены, что хотите удалить «{name}»? Это действие нельзя отменить.",
diff --git a/locales/sk/common.json b/locales/sk/common.json
index 475d81b7e..c9ebc9922 100644
--- a/locales/sk/common.json
+++ b/locales/sk/common.json
@@ -3325,6 +3325,8 @@
     "rename": "Premenovať",
     "rename_title": "Premenovať",
     "new_name": "Nový názov",
+    "name_forbidden_chars": "Server nepovoľuje v názvoch tieto znaky: {chars}",
+    "name_reserved": "Tento názov je na serveri vyhradený.",
     "delete": "Odstrániť",
     "delete_confirm_title": "Odstrániť položku",
     "delete_confirm_message": "Naozaj chcete odstrániť \"{name}\"? Túto akciu nie je možné vrátiť.",
diff --git a/locales/tr/common.json b/locales/tr/common.json
index acc0b446d..bf7241ff7 100644
--- a/locales/tr/common.json
+++ b/locales/tr/common.json
@@ -3325,6 +3325,8 @@
     "rename": "Yeniden Adlandır",
     "rename_title": "Yeniden Adlandır",
     "new_name": "Yeni ad",
+    "name_forbidden_chars": "Sunucu adlarda şu karakterlere izin vermiyor: {chars}",
+    "name_reserved": "Bu ad sunucuda ayrılmış.",
     "delete": "Sil",
     "delete_confirm_title": "Kaynağı sil",
     "delete_confirm_message": "\"{name}\" silinsin mi? Bu geri alınamaz.",
diff --git a/locales/uk/common.json b/locales/uk/common.json
index cc9f0abed..88839f064 100644
--- a/locales/uk/common.json
+++ b/locales/uk/common.json
@@ -3283,6 +3283,8 @@
     "rename": "Перейменувати",
     "rename_title": "Перейменувати",
     "new_name": "Нова назва",
+    "name_forbidden_chars": "Сервер не дозволяє ці символи в назвах: {chars}",
+    "name_reserved": "Ця назва зарезервована на сервері.",
     "delete": "Видалити",
     "delete_confirm_title": "Видалити ресурс",
     "delete_confirm_message": "Ви впевнені, що хочете видалити \"{name}\"? Це неможливо скасувати.",
diff --git a/locales/zh-TW/common.json b/locales/zh-TW/common.json
index 507bdc3f3..3c3952650 100644
--- a/locales/zh-TW/common.json
+++ b/locales/zh-TW/common.json
@@ -3325,6 +3325,8 @@
     "rename": "重新命名",
     "rename_title": "重新命名",
     "new_name": "新名稱",
+    "name_forbidden_chars": "伺服器不允許名稱中包含這些字元：{chars}",
+    "name_reserved": "此名稱已被伺服器保留。",
     "delete": "刪除",
     "delete_confirm_title": "刪除項目",
     "delete_confirm_message": "您確定要刪除「{name}」嗎？此動作無法復原。",
diff --git a/locales/zh/common.json b/locales/zh/common.json
index c6989b8cf..27379cea8 100644
--- a/locales/zh/common.json
+++ b/locales/zh/common.json
@@ -3283,6 +3283,8 @@
     "rename": "重命名",
     "rename_title": "重命名",
     "new_name": "新名称",
+    "name_forbidden_chars": "服务器不允许名称中包含这些字符：{chars}",
+    "name_reserved": "此名称已被服务器保留。",
     "delete": "删除",
     "delete_confirm_title": "删除资源",
     "delete_confirm_message": "您确定要删除\"{name}\"吗？此操作无法撤消。",