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Yuri Diogenes's Blog
Thoughts from a Senior Technical Writer @ Microsoft Server and Cloud Division (Solutions Group) - Information Experience
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Blog Post:
Unable to Access Internet using IE8 through ISA Server 2006 after changing user’s group
Yuri Diogenes [MSFT]
Introduction Recently I was engaged on this TechNet Forum thread and I thought that it was an interesting question and concern. Let me explain the scenario on which I was able to repro the behavior on my own lab: Contoso has a security policy where only users that belong to the Internet Users...
on
17 Jul 2010
Blog Post:
Network Monitor 3.3 RWS Parser Basics, Part 2 at Tales from the Edge
Yuri Diogenes [MSFT]
Just a quick update on the part 2 of this series of 3 articles about Netmon RWS Parser. Check it out at http://technet.microsoft.com/en-us/library/ff536096.aspx
on
6 Apr 2010
Blog Post:
The Redirect Catch
Yuri Diogenes [MSFT]
Introduction Recently working a case where customer was trying to implement the approach explained by my friend Tom Shinder on his post “ Clever Way to Redirect OWA Users Who Can’t Remember to Include /Exchange in the Path ” and it was not working. The approach explained by Tom is valid and works...
on
12 Nov 2009
Blog Post:
Network Monitor Wizard now at CodePlex
Yuri Diogenes [MSFT]
I already talked about Network Monitor Wizard (AKA NetWiz ) here some months ago and this is an ongoing project that I have with some friends at Microsoft. Since our original code (written in C#) had some third party components we couldn’t really publish at CodePlex, therefore we completely re-wrote...
on
18 Aug 2009
Blog Post:
Error HTTP 400 - Bad Request when accessing a web site through ISA Server
Yuri Diogenes [MSFT]
Why is it a bad request? If you haven’t seen this before, I see quiet often in some scenarios involving ISA Server and guess what: if I remove ISA Server from the picture it works just fine . Well, we all know that when you are wide open to Internet there is nobody inspecting your traffic anyway so you...
on
29 Jul 2009
Blog Post:
Error 64 - The Specified Network Name is no longer available while Using a Custom Application through ISA Server 2006
Yuri Diogenes [MSFT]
1. Introduction Error 64 can happen due many situations and I documented one of those situations last year and as you could see sometimes it is not easy to find out why this error happens. The issue that I’m about to describe here was identified while I was troubleshooting a third party application...
on
19 Jul 2009
Blog Post:
Identifying the Source of the Traffic
Yuri Diogenes [MSFT]
Couple of days ago I was assisting a friend to troubleshoot the infamous 5783 that was causing the authentication prompt issue that we all know about. In this case the problem was happening throughout the night, which was even odder because during the day when the traffic was really high the issue wasn...
on
9 Jul 2009
Blog Post:
Netmon Experts Day
Yuri Diogenes [MSFT]
Michael Hawker (Network Monitor PM) just release a video about the first Network Monitor Experts Day. Watch it at: http://channel9.msdn.com/posts/MichaelHawker/Network-Monitor-Experts-Day-Part-1-The-Experts-Story/ Also, talking about Netmon, check it out the news about the new capability that...
on
9 Jun 2009
Blog Post:
Netmon 3.3 is now available for public Download
Yuri Diogenes [MSFT]
Great news folks! Netmon Team just released Netmon 3.3 for public download. This release brings new enhancements from previous version, such as: · Ability to capture on WWAN and Tunnel interfaces on Win7 · Right-click add to alias. · Right click go to definition · Auto-scroll · API Extension...
on
22 Apr 2009
Blog Post:
Exchange Active Sync Direct Push fails when published through ISA Server 2006
Yuri Diogenes [MSFT]
This post is about a case where Windows Mobile devices were having problems when enabling Active Sync Direct Push feature. On the device we were receiving the error 0x80072eff . This error means: err 0x80072eff # anonymous HRESULT: Severity: FAILURE (1), Facility 0x7, Code 0x2eff # for...
on
13 Apr 2009
Blog Post:
Unable to Access Network Resources from WINDOWS VISTA through VPN using ISA Server 2006 as VPN Server
Yuri Diogenes [MSFT]
Last week I said that 3 out of 5 cases where user says it is an ISA issue it ends up not being. Today I worked in another case that goes to that statistic. What makes me sad about this is the mindset that many Windows Admins, Network Administrators and users in general have when deal with an issue where...
on
31 Mar 2009
Blog Post:
Error 64 when using Outlook Anywhere Published by ISA Server 2006
Yuri Diogenes [MSFT]
Last Tuesday night I was helping out a friend from my team that was handling a case where customer was unable to access Outlook Anywhere from outside network. As usual, everything works inside, so who’s to blame? Of course ISA Server, it is the only thing different, right? Will see… To better isolate...
on
29 Jan 2009
Blog Post:
Demystifying Networks Concept on ISA/TMG
Yuri Diogenes [MSFT]
The reason why I’m saying “demystifying” is because many people are still having wrong concepts and therefore making wrong assumptions about how networks are configured on ISA Server/TMG. Although this is well documented at TechNet (since it is a core concept), sometimes due the massive amount of information...
on
13 Jan 2009
Blog Post:
What can happen when you think that only Windows system needs to be patched
Yuri Diogenes [MSFT]
This post could easily be called “Slow Internet through ISA Server”, but I decided to change the title and the focus. I’m doing that for a simple reason: people still thinking that only Windows system needs to be patched. What an untrue statement this is and how I’m convinced more and more that if you...
on
15 Dec 2008
Blog Post:
Using Netmon 3.2 to Identify an Unexpected Traffic
Yuri Diogenes [MSFT]
1. Understanding the Problem I already worked in many cases where customer wants to know why ISA is alerting that it might be under attack by logging events such as: Figure 1 – Number of TCP Connections. …and also this one: Figure 2 – Denied Connections per Minute. ...
on
19 Oct 2008
Blog Post:
ISA Server Losing Secure Channel with the DC - The 5783 Nightmare
Yuri Diogenes [MSFT]
The first time that I blogged about this was in October 2006 at ISA Server Team Blog , we were getting so hammered about that issue that it motivates us to create an official article about that. Last year we published an article at Microsoft TechNet Library explaining how to improve Web Browsing performance...
on
5 Jun 2008
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