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UAG 2010: Error "Applying Network Access Protection configuration failed"

 

Problem:

When trying to activate the configuration on a UAG server, you might find that the activation failed and you can see the following error messages in the status window:

Error: Applying Network Access Protection configuration failed.

UAG 2010: Error "An unknown error occurred while processing the certificate. Contact the site administrator"

A client that is trying to access an SSL enabled application on a backend server (e.g. Exchange) that is published through the Forefront UAG portal gets an error, specifically:

“An unknown error occurred while processing the certificate. Contact the site administrator”.

The cause:

UAG 2010 RTM: Integrating NAP Policies

Microsoft UAG 2010 can be integrated with Windows NAP (Network Access Protection) to make sure that the computers comply with the IT policies before user’s login into the UAG portal. Windows Network Access Protection is part of Windows 2008 and 2008 R2 servers. No extra hardware or licensing is required to implement Microsoft NAP in an environment. Moreover, there are simple settings in UAG for integrating NAP to do policy enforcement.

UAG 2010: Removing an Installed UAG Update from nUAG Appliance

When you install an update for Microsoft Forefront UAG, it does not appear under the Windows control panel > Add/Remove programs. So, If you have to remove it for some reason then how do you remove an update? Well, UAG has an in-built script to remove the previously installed updates. The script is located at

nTMG: FTP Server Publishing in TMG

 

Open the Microsoft Threat Management Console and right click on the Firewall Policy and select "Non-web Server Protocol Publishing Rule". A new server publishing rule wizard will appear. Give a name for the publishing rule and click next.

UAG: Publishing VMWare View using Forefront Unified Access Gateway

Supported client OS: Windows XP 32bit and Windows Vista 32bit

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