Server Does Not Make EAP-OE Connection to LAN If a User Is Not Logged On

View products that this article applies to.

This article was previously published under Q304347

Expand all | Collapse all

SYMPTOMS

When a server tries to initiate Extensible Authentication Protocol (EAP-OE) in order to connect to the local area network (LAN) during startup, the connection may not succeed if the server tries to use a computer's certificate without a user's being logged on.

Back to the top

CAUSE

This behavior can occur because EAP/Transport Layer Security (EAP/TLS) cannot support a computer certificate authentication unless a user is logged on. The Schannel certificate mapper does not support mapping computer certificates to computer accounts.

Back to the top

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 (http://support.microsoft.com/kb/260910/EN-US/ ) How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:

   Date        Time     Version         Size      File name
   ----------------------------------------------------------
   7/17/2001   04:52p   5.0.2195.3870   501,520   Lsasrv.dll(56-bit)
   7/24/2001   10:11a   5.1.2195.0      145,680   Schannel.dll(56-bit)
   7/24/2001   04:46p   5.0.2195.3858   355,088   Advapi32.dll
   7/24/2001   05:33p   5.0.2195.3870   519,440   Instlsa5.dll
   7/24/2001   05:34p   5.1.2195.0      163,600   Instsch5.dll
   7/24/2001   04:46p   5.0.2195.3817   142,608   Kdcsvc.dll
   7/17/2001   05:08p   5.0.2195.3872   197,392   Kerberos.dll
   6/26/2001   08:16p   5.0.2195.3781    69,456   Ksecdd.sys
   7/17/2001   04:52p   5.0.2195.3870   501,520   Lsasrv.dll
   7/17/2001   04:52p   5.0.2195.3870    33,552   Lsass.exe
   7/24/2001   04:46p   5.0.2195.3868   909,072   Ntdsa.dll
   7/24/2001   04:46p   5.0.2195.3848   382,224   Samsrv.dll
   7/24/2001   04:46p   5.0.2195.3781   128,784   Scecli.dll
   7/24/2001   04:46p   5.0.2195.3649   299,792   Scesrv.dll
   7/24/2001   10:11a   5.1.2195.0      145,680   Schannel.dll

Back to the top

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.

Back to the top

MORE INFORMATION

This fix changes the Schannel certificate mapper so that it can recognize computer certificates.

For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:

265173 (http://support.microsoft.com/kb/265173/EN-US/ ) Datacenter Program and Windows 2000 Datacenter Server Product

For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:

296861 (http://support.microsoft.com/kb/296861/EN-US/ ) Use QChain.exe to Install Multiple Hotfixes with One Reboot

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 (http://support.microsoft.com/kb/249149/EN-US/ ) Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Back to the top