Zero Hour Sleep
7Apr/100

ISA/TMG installation fails with Unable to Connect to configuration Storage Server

While installing ISA or TMG Enterprise Edition the installation might fail with the following error

Setup failed to connect to the specified configuration storage server computer. This may be because the local computer needs to be added to the Replicate configuration storage server computer set. Error code = 0x8007203a

On TMG the error will look like this

2Apr/100

You get “Iashlpr initialization failed” error after installing DHCP on Windows 2008R2

After installing DHCP server on windows 2008 R2, you notice that your system event log will be filled with Errors Event ID: 1070 “Iashlpr initialization failed: The DHCP service was unable to access path specified for the audit log. So DHCP server cannot talk to NPS server. It could be that IAS service is not started.”

Event ID: 1070
Source: DHCP-Server

Iashlpr initialization failed: The DHCP service was unable to access path specified for the audit log. So DHCP server cannot talk to NPS server

At first I have ignored this error since it wasn’t affecting my DHCP Server behavior, everything was working fine, and clients were obtaining proper IP addresses and network settings.
Until I had to configure WPAD entry in order to enable TMG Firewall Client to automatically detect the TMG server. TMG clients were failing to automatically detect the TMG Server, I start troubleshooting the issue, I tried everything add/remove the WPAD entry, changing the WPAD value, etc… but all my trials were unsuccessful.

27Mar/106

Running into Public Folders problems after migration? Read this first…

After migrating your Exchange Public Folders from Exchange 2003 to Exchange 2007 / 2010 chances are you will start experiencing some problems.

These issues might show up under different symptoms however they all have one common solution.

23Mar/100

Changing password using Exchange 2010 OWA fails

There have been lately quite a few buzz around the fact that changing password through Exchange 2010 OWA is failing with the following error even though user is not logged on with the light version of Outlook Web App

This feature isn't supported in the light version of Outlook Web App.

This feature isn't supported if Outlook Web App is set to maximize the blind or low vision experience.

This error is due typically because the operating system on which you are running your Exchange 2010 CAS has been cloned, virtual image template etc..., but not prepared with sysprep before installing Exchange on it.

18Mar/100

Moving the File Share Witness of a CCR cluster in Exchange 2007

I have recently needed to move the File Share Witness on a Microsoft Exchange 2007 CCR cluster from its original location to an alternate server and I will share with you how to do it in case you are faced with a similar scenarion.

Step 1: Create & Configure the new File Share Witness

On the server you want to host the new File Share Witness

  1. Create a new folder say FSW_ClusterName
  2. Share this folder and give the Cluster Service Account Full Control shared permissions
  3. As far as NTFS permissions grant Administrators and the Cluster Service Account Full Control

Step 2: Moving the File Share Witness

To move it use the following commands

13Mar/100

ISA/TMG/IAG/UAG what is the difference!

Lot of people are confused about the difference between ISA/TMG/IAG/UAG, so I thought it would be a good idea to share this information hopping it will clear up this confusion.

Microsoft has lately released the “Forefront Threat Management Gateway (TMG)” formerly known by “Internet Security and Acceleration Server (ISA)”.
Microsoft has also released the “Forefront Unified Access Gateway (UAG)” formerly known by “Internet Access Gateway (IAG)”. By the way both products are run on 64bits only

So this means that TMG is the new version of ISA and UAG is the new version of IAG, mmm pretty simple right?

What is the Difference between TMG and UAG?

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