Password Policy restrictions
From the logs:
[TaskLog] - GranadosSshChannelDataReader.Read - (received = You are required to change your password immediately (password aged)
Last login: <date/time> from <FQDN of vCenter>
WARNING: Your password has expired.
You must change your password now and login again!
Changing password for user Administrator.
Changing password for Administrator
(current) UNIX password:
passwd: Authentication token manipulation error
), (expected = 45c41ce8-b203-430d-b595-776db1a81071), error = Command shell SSH channel received an EOF.
This occurs when your virtual center credentials expire. To resolve this do the following:
1. Go to My Inventory, right click on the Virtual Center and choose Credential properties..
2. Enter a valid administrator ID and password.
3. Refresh the inventory.
4. Test a backup job that had been failing.