Security Log Error Messages Appear When You Try to Establish an L2TP Connection (Q284970)

• Microsoft Windows versions 2000 , 2000 SP1 , Professional

• Microsoft Windows versions 2000 , 2000 SP1 , Server

• Microsoft Windows versions 2000 , 2000 SP1 , Advanced Server

SYMPTOMS

When you try to establish a Layer 2 Tunneling Protocol (L2TP) connection from a client to a virtual private network (VPN) server that has a certificate from a trusted authority, you may receive error messages and the process does not work.

On the client, you receive the following security log error message:

IKE security association negotiation failed.
Mode: Key Exchange Mode (Main Mode)
Failure Point: Me
Failure Reason: IKE authentication credentials are unacceptable

Trust failed. 2 0

RESOLUTION

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

Q260910 How to Obtain the Latest Windows 2000 Service Pack

   Date        Time    Version          Size     File name
   ---------------------------------------------------------
   01/09/2001  11:52p  5.131.2195.2833  466,704  crypt32.dll

STATUS

Microsoft has confirmed this to be 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 2.

MORE INFORMATION

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:

Q249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

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