Medium Operating Systems ✓ Solution Verified by Community (0+ upvotes)

Error Code rpc-s-unknown-authz-service — Windows 11

RPC_S_UNKNOWN_AUTHZ_SERVICE = 1750

✅ 65% úspěšnost
👥 0+ uživatelů ověřilo
📅 Aktualizováno: 2026-08-12
⏱️ 15 min čtení
Oprava založena na komunitních zprávách a expertní analýze. Naposledy ověřeno: 2026-08-12 · Jak ověřujeme opravy
Error Coderpc-s-unknown-authz-service
Affected SystemWindows 11 (Microsoft)
DifficultyMedium
Estimated Time15 min
Requires Admin Rights⚠️ Yes
Requires Reboot🔄 Yes

Postup řešení

  1. 1 Press Windows key + X and select 'Terminal (Admin)'. Run the command 'regsvr32 secauthn.dll' to register the standard security authentication DLL. This ensures the default authorization services are available.
  2. 2 If the application requires a specific security package, install it. For example, if it requires a custom package, you may need to install the vendor's software.
  3. 3 Check the registry for the list of authentication packages. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa and ensure 'AuthSSO' or other required packages are present.
  4. 4 Restart the computer to load the new security packages.

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