Multiple SSL Connections May Cause Error Initializing Security Subsystem
Article ID: 192749
Article Last Modified on 11/1/2006
APPLIES TO
- Microsoft Windows NT Server 4.0, Terminal Server Edition
- Microsoft Windows NT Workstation 4.0 Developer Edition
- Microsoft Windows NT Server 4.0 Standard Edition
This article was previously published under Q192749
SYMPTOMS
A failure to initialize the security subsystem can occur when an
application such as Microsoft Exchange Server attempts to replicate data
over an SSL connection.
CAUSE
Schannel.dll can generate an error when two threads call
AcquireCredentialsHandle() at the same time, with the same certificate
data.
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 the
Microsoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack
NOTE: Depending on whether you are using 40-bit or 128-bit security, one of
the two files listed for each platform will be renamed to Schannel.dll.
STATUS
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 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.
Additional query words: 4.00
Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB192749