Microsoft Internet Security and Acceleration (ISA) Server 2000 RPC Filter Blocks Outlook Traffic from Computers Running Windows Server 2003 Service Pack 1 (SP1)

Microsoft Internet Security and Acceleration (ISA) Server 2000 RPC Filter Blocks Outlook Traffic from Computers Running Windows Server 2003 Service Pack 1 (SP1) 1200.418

Outlook 2003 running on Windows Server 2003 Service Pack 1 cannot connect to an Exchange 2003 server through ISA Server 2000. This problem may also affect earlier versions of Outlook. Windows Server 2003 SP1 makes significant changes to the Remote...