MPROUTER Access Violation on Invalid RADIUS Response

This article was previously published under Q186904
This article has been archived. It is offered "as is" and will no longer be updated.
SYMPTOMS
When you use the Routing and Remote Access Service (RRAS) update with Remote Authentication Dial-In User Service (RADIUS) authentication and accounting, the MPROUTER process may encounter an access violation.
CAUSE
The RADIUS client received a response packet which was less than theminimum (20 byte) length.
RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack

Apply the Routing and Remote Access Hotfix Pack 3.0. For your convenience,the English version of this post-SP3 hotfix has been posted to thefollowing Internet location. However, Microsoft recommends that you installWindows NT 4.0 Service Pack 4 to correct this problem.

NOTE: The above link is one path; it has been wrapped for readability.

For additional information about the Routing and Remote Access HotfixPack 3.0, see the following article in the Microsoft Knowledge Base:

ARTICLE-ID: 189594
TITLE : RRAS Upgrade for WinNT Server 4.0 Hotfix Pack 3.0 Release Notes
STATUS
Microsoft has confirmed this to be a problem in Routing and RemoteAccess Update for Windows NT version 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.
av crash
Properties

Article ID: 186904 - Last Review: 02/23/2014 01:09:31 - Revision: 2.2

Microsoft Windows NT Server 4.0, Terminal Server Edition, Microsoft Windows NT 4.0 Service Pack 3, Microsoft Routing and Remote Access Service Update for Windows NT Server 4.0

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