Enable a User Account
You must use an account that is in the Domain Admins group to perform this procedure.
To enable a user account
Click Start, click All Programs, click Windows Essential Business Server, and then click Windows Essential Business Server Administration Console.
Click the Users and Groups tab, and then click User Management.
Click the user account that you want to enable. The Status must be Disabled.
In the tasks pane, click Enable user account.
In the Enable User Account dialog box, choose a client access license (CAL) for the user account that you want to enable, and then click Enable.