Consider the following scenario:

  • You have a system that is running Microsoft Forefront Unified Access Gateway (UAG) 2010 Service Pack 1 (SP1) with Update 1.

  • In the UAG 2010 management console, you try to configure an authentication server of the type RADIUS.

In this scenario, you receive the following error message:

The RADIUS Attribute parameters are invalid. Error message: The value of "Attribute Type" must be bigger than 0 and must not exceed 255.

If you continue, authentication and authorization using this server might not function properly.


To resolve this issue, install the rollup package that is described in the following Microsoft Knowledge Base article:

2647899 Rollup 1 for Forefront Unified Access Gateway (UAG) 2010 Service Pack 1 Update 1


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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