Microsoft KB Archive/251930

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Article ID: 251930

Article Last Modified on 2/27/2007


  • Microsoft Exchange 2000 Server Standard Edition

This article was previously published under Q251930


When you rename classes for chat communities in Microsoft Exchange 2000 Server, the changes are not applied.

For example, if you create a class in a chat community and name it class5, and configure it so that no users can log on, and then create another class and name it class4, and remove the restrictions from the previous class, if you change the name of class5 to class3, users are now able to log on even though you haven't changed the configuration.


Exchange Chat Service can only process additions and removals, not changes.


To rename a class in the chat community, follow these steps:

  1. Create a new class with the same configuration as the class you want to rename.
  2. Delete the original class.


Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server.


User class membership depends on:

  • How the user is logged on (as an anonymous or as an authenticated user).
  • The current netmask of the client ( or an IP address).
  • The time that the client is logging on.

If there is more than one class defined for a chat community, Chat Service adds the user to the classes in alphabetical order. Users are placed in the first class that applies.

Additional query words: chat mschat

Keywords: kbbug kbnofix KB251930