Server is fixed, but error remains. Fix: Ensure the client is not on an ancient build (Windows 10 1507). If the client lacks the RPC encryption ability, update the client to 21H2 or newer.
[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Print] "RpcAuthnLevelPrivacyEnabled"=dword:00000000 Use code with caution. Copied to clipboard File > Save As Name the file fix_0x0000011b.reg and select in the "Save as type" dropdown. Apply the Fix: Double-click the fix_0x0000011b.reg to the prompts to add the information to the registry. Restart the Print Spooler: Windows Key + R services.msc , and hit Enter. Print Spooler Right-click it and select Method 2: Manual Registry Edit -IF Repair- Fix error 0x0000011b .reg
The origin of this error traces back to the "PrintNightmare" vulnerability (CVE-2021-34527). This was a critical security flaw in the Windows Print Spooler service that allowed attackers to execute remote code on a target system. To mitigate this, Microsoft released a series of security updates (specifically around August and September 2021, such as KB5005565 and subsequent cumulative updates). Server is fixed, but error remains
(Windows cannot connect to the printer. Operation could not be completed). Restart the Print Spooler: Windows Key + R services