IAS Hangs When Configured as RADIUS Client for Windows 2000
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After you configure your computer that runs Microsoft Internet Authentification Service (IAS) 1.0 with the RADIUS/Proxy Server service as a client for a Windows 2000 based Remote Authentication Dial-In User Service (RADIUS) server, authentication requests may be denied and the RADIUS/Proxy Server service on the Windows NT 4.0 IAS server may stop responding (hang).
This behavior occurs because the Proxy Server service is not decrypting and encrypting MS-CHAP-MPPE keys correctly.
Windows NT Server or Workstation 4.0To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
Windows NT Server 4.0, Terminal Server EditionTo resolve this problem, obtain the latest service pack for 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
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition.
This problem was first corrected in Windows NT Server 4.0 Service Pack 6 and Windows NT Server 4.0, Terminal Server Edition Service Pack 6.
The user requesting authentication should be in the same domain as the Windows 2000 based RADIUS Server for the RADIUS/Proxy Server service to be configured correctly.
IAS 1.0 is available either as part of the Microsoft Internet Connection Services for RAS in the Microsoft Windows NT 4.0 Option Pack, or as part of the Microsoft Commerical Internet System (MCIS) 2.0 in the Microsoft servers suites.
For additional information about Internet Authentification Service and Commerical Internet System software, please visit the following Microsoft Web site:
Article ID: 241400 - Last Review: 01/06/2015 05:01:06 - Revision: 3.0
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