Unable to install Forefront TMG 2010 – Error 0x80074e46

TMG installation problems can be a bit trick to troubleshooting if you don’t know which components are involved, however if you know then things start make more sense. Most of the setup problems that I faced up to now on TMG 2010 (since RTM) were related to ADLDS or some kind of domain connectivity problem….


Error 502 “Active FTP not Allowed” when trying to list files in a FTP session behind Forefront TMG 2010

Consider a scenario where you have a client workstation behind Forefront TMG 2010 and you are trying to download files from a FTP Server. You are successfully able to logon on the FTP but after type the command “dir” you get the error message below: The message is pretty clear about what is going on,…


Exporting Certificates using CertUtil

There are many instances where you need to move a server to a new hardware. What you will carry from the old server to the new one will vary; you need to plan according to the server role in order to create your own checklist. Recently I had to move my own TMG Server to…


See you around Forefront Edge Community

I created this blog back in February 2008 and since that day I really tried to bring to you interesting troubleshooting techniques based on real scenarios. This blog was always something that I drove on my own free time (not that I have lot of free time), but I tried to managed my time in…


Announcing new FREE Windows Azure Book for IT PRO

Hello folks, Today Microsoft Press is releasing a new book about Windows Azure for IT PRO. This is a great resource for you IT PRO that needs to get your basic understanding of Windows Azure or needs to get more information about some of the Azure capabilities from the IaaS perspective. I had a great…


Troubleshooting ISA Server 2006 Performance Issues – WebCast for MS Partners

Next February 9th 11:30 AM CST I will be delivering a presentation about Troubleshooting ISA Server 2006 Performance issues for Microsoft Partners, if you are a partner and deal with ISA Server you should watch this presentation. Here it is the agenda with the core topics that will be covered: What about understanding the issue…


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) Upload speed through Forefront TMG 2010 is very slow on a high speed Internet connection 2478286 (http://support.microsoft.com/kb/2478286) Connection does not…


Incorrect Key Type when Creating a Web Lister on TMG using V3 Certificate

Today I was assisting a friend of mine here from TMG team that was facing this issue, same issue that was also mentioned on this thread. The problem was happening when using Cryptography Next Generation (CNG) or also called V3, TMG was not recognizing the private key and was showing up this error message. This…


Auditing a DNS Zone

1. Introduction   One of the main aspects of security is the maintenance and to do that correctly the administrator needs to be able to track changes that are done in the environment. There are a lot of challenges on this area and one of the biggest challenge is to log what needs to be…