If you configure a realm to use your Windows logon credentials, the Kerberos client uses those credentials to get service tickets.
If the Windows realm and user name don't match those specified in your principal profile, you are prompted to authenticate with your Kerberos password.
To configure a realm to use a Windows logon
Log on to a Windows domain.
Start Kerberos Manager.
From themenu, choose .
From thetab, select a realm from the , and then click .
On thetab, select , and then click .
The required fields complete automatically using your existing credentials.