The target server does not have acceptable Kerberos credentials.
Make sure your domain controller does have a valid certificate. You can check this by running dcdiag on your domain controller and by inspecting the computer certificates using MMC.
The target server does not have acceptable Kerberos credentials.
Make sure your domain controller does have a valid certificate. You can check this by running dcdiag on your domain controller and by inspecting the computer certificates using MMC.