When you use the Task Manager Users tab to log off an user account in Windows Vista, the following error may appear:

User <username> (SessionId=2) could not be logged off. Access is denied.

Resolution:

This happens if Task Manager is not running under administrative privileges. To log off an user account, Task Manager must be run with administrative privileges. Follow one of these methods:

Method 1

• Open Task Manager (taskmgr.exe) and click the Processes tab

• Click Show processes from all users

• When you are prompted for an administrator password or confirmation, type the password or provide confirmation.(Task Manager now runs with administrative privileges.)

• Switch to the Users tab and log off an user account.

Method 2

• Click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.

• If you are prompted for an administrator password or for confirmation, type your password, or click Continue.

• At the command prompt, type taskmgr.exe, and then press ENTER.(Task Manager starts with administrative privileges.)

• Switch to the Users tab and log off an user account.

 

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