MSMQ dependent clients, independent clients, and servers can renew their internal certificates (used for authentication) using MS Message Queue in Control Panel. You should renew you internal certificate when you:
Windows 95 clients can specify which network should be their primary logon network (using Network in Control Panel). If you choose Windows Logon as your primary logon, Windows caches passwords you specify for network resources. If you send authenticated messages and log on to a Windows NT Server domain as more than one domain user, you must renew your internal certificate each time you log on as a different user.
For more information on renaming a computer running MSMQ, see "Renaming a Computer Running MSMQ" later in this chapter.