Error Message:

Couldn't verify the user account. account Do you want to continue?

Explanation:

This message indicates either a communications problem or a problem with the domain account.

User Action:

To correct this problem: 1) Check to see if there is a network problem. 2) Check for indications of a domain account problem. 3) Verify that the Admission Control Service (ACS) account exists if ACS does not start.