Fix for Microsoft Windows 10 Update for networking printing failure
To disable the increased authentication level requirement on your print server, follow these steps:
1.Right-click Start,click Run, type cmd in the Run box, and then press
2.At the Administrator command prompt, type regedit and then press Enter.
3.Locate the following registry subkey:
1.Right-click Print, choose New, and then click DWORD VALUE (32-bit) Value.
2.Type RpcAuthnLevelPrivacyEnabled and then press Enter.
3.Right-click RpcAuthnLevelPrivacyEnabled and then click Modify.
4.In the Value data box, type 0 and then click Ok.
NOTE: You will need to restart your print spooler service, in complex print environments you will need to restart all print related services or restart the server.