ISA Server services use Windows Management Instrumentation ( WMI) to control Network Load Balancing (NLB) parameters. It may happen that the compiled version of NLB Managed Object Format (MOF) files gets corrupted or incorrectly registered so that ISA...

In the following scenario, the Windows operating system may not run correctly after installing ISA Server 2004 Service Pack 3: 1. ISA Server 2004 is installed on a computer which is a member of an Active Directory domain. 2. The Enteprise Admins...

In the following scenario, the Windows operating system may not run correctly after installing ISA Server 2006 Supportability Pack: 1. ISA Server 2006 is installed on a computer which is a member of an Active Directory domain. 2. The Enteprise Admins...

If you've installed ISA 2004 SP3 or the recently-released ISA 2006 Supportability Update, you may have noticed missing status codes: As you may guess from the Filter information field, the status should say "12217 The request was rejected by the HTTP...

You may have noticed that in certain cases, the Client Username field in the ISA firewall log has user names with question marks - (?) - after them: Who are these questionable users? These user names appear when you have a policy rule which allows...