Hello,
we've got a business environment (Active directory) with two Domain Controller (both running Win Server 2016, 1607; but latest Updates). Our clients are still on Windows 10 1903. Now we want to upgrade the clients to Windows 10 20h2.
The upgrade process works fine and being in the LAN we can connect to all file server, sql server, ... . But when we are working remote via VPN (Microsoft Azure Always On) we can't connect to the server. The authentication the servers doesn't seem to work (the VPN authentication works).
In Windows Explorer the users gets the error message:
"Microsoft Windows Network: The user name could not be found" (translated from German)
In SQL Management Studio (SQL Server) the user gets the error message:
"The target Principal Name is incorrect. The SSPI context could not be generated).
Can anyone give us a hint where we could look for the error?