Welcome Cindy!
Thank you for posting your detailed question to the Q&A forum.
From what you described, I understand that you’re unable to connect to or print from a shared printer hosted on a Windows 11 computer when using a Windows 10 client. The printer is visible on the network and file sharing works correctly, but when you try to connect or print, you receive errors such as Windows couldn’t connect to the printer or Word can’t print due to a problem with the printer setup.
1. First, please try the methods outlined in the Microsoft article below:
Fix shared printer connection problems in Windows
2. Reduce RPC enforcement via Registry Editor
According to RPC connection updates for print in Windows 11, starting with Windows 11 version 22H2 and later:
If the issue persists after trying the steps in section 1, please try the following steps on Windows 11 computer that hosts the printer, using Registry Editor. This method can help reduce RPC enforcement.
Disclaimer: Modifying the registry or workgroups can help fix some problems, however, improper registry modifications can cause serious problems. Therefore, please make sure to follow the steps below strictly. For further protection, make a backup of the registry before modifying it. For more information on how to backup and restore the registry, please refer to: How to back up and restore the registry in Windows - Microsoft Support
- Press W + R to open Run.
- Type
regedit> press Enter. - In Registry Editor, click View > enable Address Bar.
- Paste the following path into the address bar and press Enter:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print - In the right pane:
- Right‑click > New > DWORD (32‑bit) Value
- Name it:
RpcAuthnLevelPrivacyEnabled - Double‑click it > set Value data = 0
- Click OK
- Test the shared printer again.
Hope this helps. Please let me know how it goes!
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