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Yuri Diogenes's Blog

Thoughts from a Senior Knowledge Engineer @ Microsoft Data Center, Devices & Enterprise Client – CSI (Solutions Group)

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  • Blog Post: Hey DC, are you still there?

    1. Introduction   Yesterday I wrote about the “perfect storm” case where the root cause was disk bottleneck, today I would like to discuss a troubleshooting scenario for one of the 5 core scenarios that was presented yesterday , which is called “authentication”. Again, the symptom was exactly the...
  • Blog Post: Just another crash

    If you are following this blog for a long time you probably know about my previous posts related to ISA or TMG crashing and about the fact that 95% of the time is not an issue caused by ISA/TMG. Well, this is just another crash where the first blame goes to ISA/TMG, in this particular case, ISA. The...
  • Blog Post: Another performance caveat when troubleshooting TMG or ISA slow browsing behavior

    Slow browsing experience is a behavior that can happen for so many reasons that cover everything in one single article is just not feasible, mainly when the list still growing. Here are some posts/articles that I wrote on this matter: How Disk Bottleneck can affect TMG Performance? Side Effects of Incorrect...
  • Blog Post: We are all waiting for you Mr. Disk….are you there?

    1. Introduction   As more I deal with Performance issue on ISA Server (or TMG), more I realize that there are not really a lot of new things on this area to be explored. The reason why I say that there are not much of new things on this area is because I can easily map the top five core causes of...
  • Blog Post: There is a XMas package for you that use TMG 2010…hey and for you that use ISA Server 2006 too

    Today we are making publicly available the Software Update 1 Rollup 2 for Forefront Threat Management Gateway (TMG) 2010 Service Pack 1 . This hotfix include resolution for the following issues: article Title 2452980 (http://support.microsoft.com/kb/2452980)...
  • Blog Post: Unable to Access a Published Apache Server behind ISA Server using SSL

    Consider a scenario where you are publishing a third party web server, in this case an Apache Server that uses HTTPS through ISA Server 2006. Randomly the site doesn’t work, clients are unable to access it and when this happens the publishing rule test button shows the result below (error 0x80090326...