Migrating from Windows NT

If you have an earlier version of WebSphere® MQ installed on a Windows NT® machine, you will need to migrate the operating system to Windows® 2000, Windows XP, or Windows 2003. Be aware that your current access control lists (ACLs) for your domain resources might become invalid.

On Windows NT, WebSphere MQ user account details are stored as security identifiers (SIDs) in your ACLs. When you migrate to a new Windows platform these SIDs are lost, invalidating the ACLs. This causes WebSphere MQ commands to fail, and you lose registry permissions and the WebSphere MQ Administration (mqm) security group.

You have the following options: