To fix error 0x0000011b, go to the host computer sharing the printer

REG ADD "HKLM\SYSTEM\CurrentControlSet\Control\Print" /v RpcAuthnLevelPrivacyEnabled /t REG_DWORD /d 0 /f

To fix error 0x0000011b, go to the host computer sharing the printer, open the Registry Editor, and navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print. Create a new DWORD (32-bit) Value called RpcAuthnLevelPrivacyEnabled and set its value data to 0. Restart the Print Spooler service from the Services app (or restart the computer) and then try connecting from the client computer again. 

This video demonstrates how to access and modify the registry, including creating a new DWORD value:

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Detailed Steps

On the Host Computer (the PC with the shared printer):

Open the Registry Editor:

Press the Windows key + R to open the Run dialog.

Type regedit and press Enter, or click OK.

Navigate to the correct key:

In the Registry Editor, go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Print.

Create the new registry value:

In the right-hand pane, right-click in an empty space.

Select New > DWORD (32-bit) Value.

Rename the new value to RpcAuthnLevelPrivacyEnabled.

Set the value data:

Double-click the RpcAuthnLevelPrivacyEnabled value you just created.

In the "Value data" field, enter 0 and click OK.

Restart the Print Spooler Service:

Press the Windows key + R, type services.msc, and press Enter.

Find Print Spooler in the list.

Right-click on Print Spooler and select Restart.

Restart the computer: It is recommended to restart the host computer to ensure the changes take effect. 

On the Client Computer:

Attempt to connect to the printer:

Try to connect to the shared printer again through your network. 

If the error persists, try these additional steps:

Run the Printer Troubleshooter:

On the client computer, search for and run the built-in Windows Printer troubleshooter. 

Check Cables or Wireless Connection:

Ensure the printer's cables are secure or that its wireless connection is stable. 

Clear the Print Queue:

On the client PC, you can clear the print spooler by stopping and restarting the Print Spooler service and then deleting the contents of C:\Windows\System32\spool\PRINTERS\.