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April 2009 - Posts

Thursday, April 30, 2009 2:27 PM

Web Farm IP Affinity Load Balancing Algorithm

This blog presents the algorithm for IP affinity load balancing farm publishing in ISA. Background ISA Server supports 2 options for load balancing farm web publishing. The first method is session based (aka cookie based), the second method is based on
Posted by isablog | 4 Comments
Tuesday, April 28, 2009 12:58 AM

Unable to Change Password through ISA Server 2006

Before we go through this specific scenario it is important to remember some good references on how to troubleshoot issues related to change password feature on ISA Server: 1. The "change password" feature does not work as expected after you install ISA
Posted by isablog | 2 Comments
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Wednesday, April 22, 2009 3:07 PM

Great resource - directory of MS blogs

Here's a great resource for anyone who uses Microsoft products and thrives on interesting facts and discussions relating to those products. It's the BlogMS Resource Guide - Directory of Product and Support Team Blogs . This directory lists over 240 blogs,
Posted by isablog | 1 Comments
Saturday, April 18, 2009 11:29 PM

MS09-012 and ISA Server Standard Edition 14109 Failures

We've received several reports of ISA Server Standard Edition restart failures after installation of April's security updates. <Update> ISA Server 2006 update released ISA Server 2004 update released </Update> The error message observed in
Posted by isablog | 8 Comments
Tuesday, April 14, 2009 6:18 PM

Security Updates for ISA Server 2004, ISA Server 2006 and Forefront TMG (MBE)

ISA/TMG Community: As much as I like to only announce exciting news, today, I must blog about security updates for both the ISA and TMG (MBE) product lines. It has been almost four years since the last ISA bulletin and we are very proud of our engineering
Posted by isablog | 7 Comments
Tuesday, April 14, 2009 8:55 AM

ISA 2006 Wins Global Product Excellence Award

Hi Everyone: I wanted to some exciting news with the community and at the same time, thank you for all the support. We were recently notified that ISA 2006 won the Global Product Excellence Award for customer trust in the firewall category . You can find
Posted by isablog | 1 Comments
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Sunday, April 12, 2009 12:11 PM

Exercising NIS with test signature

One of the new features in TMG Beta2 is Network Inspection System (NIS) component of TMG Intrusion Prevention System. NIS is a protocol decode-based traffic inspection system that uses signatures of known vulnerabilities, downloaded from the Microsoft
Posted by isablog | 3 Comments
Tuesday, April 07, 2009 7:42 AM

ISA Server, the 3GB switch, PAE and AWE

Short version Does ISA Server benefit from /3GB, PAE or AWE? /3GB: No. While it may help the firewall service, it reduces the amount of NPP available from 256MB to 128MB and reduces the System PTE’s for the kernel and the ISA driver. Therefore, the /3GB
Posted by isablog | 0 Comments
Tuesday, April 07, 2009 1:12 AM

Firewall Client is Unable to Connect to ISA Server 2006

1. Introduction This scenario is based on a real experience that we were able to reproduce in lab. When Microsoft firewall client tries to connect to ISA 2006 server, it fails with an error: Operation failed as result of a network error . This happens
Posted by isablog | 2 Comments
Wednesday, April 01, 2009 2:43 AM

Office Communicator client shows “Outlook Integration Error”

Problem You are using Office Communicator on the External network. ISA 2006 is configured to Web Publish the Autodiscovery URL to the Internal Exchange 2007. You are able to successfully login to the Communicator client. You can view your Contacts and
Posted by isablog | 5 Comments
 
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