Disable User Access to the Service

For maintenance, you may need to leave Instant Messaging Service working but prevent a user or a group of users from accessing the service for a period of time.

To disable a user's access to Instant Messaging:

1. Start Active Directory Users and Computers
   On the Start menu, point to Programs, point to Administrative Tools, and then click Active Directory Users and Computers.
2. In the console tree, open the Windows 2000 domain, and then click Users.
3. In the details pane, right-click the user, and then click Exchange Tasks.
4. In Exchange Task Wizard, click Remove Instant Messaging.
5. Click Next, and then click Finish to confirm your decision to remove this user's Instant Messaging address and prevent the user from sending and receiving instant messages.

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