Microsoft Supportability e-Newsletter : ISA Server

ISA Server 2004 Service Pack 3 - Rollback Failure and Temporary Resolution

Support News Editor — Tue, 29 May 2007 10:11:00 GMT

Should the installation of ISA Server 2004 SP3 fail for any reason, a rollback operation will execute so that ISA components are returned to their pre-update versions. If the ISA management console was opened while the update or rollback was in progress,...(read more)

On Clients behind ISA Server, Java Applets Fail to Start/Communicate When IE has “Automatically Detect Settings” Selected

gbs — Tue, 16 Jan 2007 09:26:00 GMT

A typical problem we usually meet is: We have java applets installed on client computers. When “Automatically Detect Settings” option is checked in IE, these applets won’t work. They will either fail to start or can’t communicate. Actually this is not...(read more)

ISA Server Firewall Client for Vista is Now Available

gbs — Tue, 16 Jan 2007 09:24:00 GMT

The final release of the new Firewall Client for ISA Server is now available for download at: http://www.microsoft.com/downloads/details.aspx?FamilyId=05C2C932-B15A-4990-B525-66380743DA89&displaylang=en . The new version can be installed on computers...(read more)

Why do we need a deny rule in order for an allow rule for custom protocol to work correctly?

gbs — Thu, 16 Nov 2006 07:18:00 GMT

Protocol definitions include lists of primary connections, secondary connections, and associated application filters. Each primary connection includes a port range, which may cover one or more port numbers. When traffic is sent to an ISA Server computer,...(read more)

How to block IM on ISA

gbs — Tue, 19 Sep 2006 10:05:00 GMT

Excessive non-business IM during business hours could adversely affect users' productivity. The use of P2P may consume enough network bandwidth to leave noticeable impact on the network and operation of legitimate programs. This article describes how to block IM/P2P by using HTTP Signature, a new feature of ISA 2004. For the sake of simplicity, only the blocking of MSN Messenger is discussed; however, the same concept applies to Live Messenger, Yahoo! Instant Messenger, etc....(read more)