Microsoft KB Archive/185711

= Stop 0x50 Error When Shared Folders Gateway (Sffsd.sys) Is Stopped =

Article ID: 185711

Article Last Modified on 2/11/2004

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APPLIES TO


 * Microsoft SNA Server 4.0

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This article was previously published under Q185711



SYMPTOMS
When the host connection shuts down due to an error condition while it is copying files to the AS/400, if you stop the Shared Folders Gateway (SFGW) Service, you may receive a Windows NT blue screen STOP 0x50 error.



CAUSE
The blue screen STOP error occurs because the SFGW Service is trying to prevent a possible blue screen STOP error when it is later restarted. The problem occurs only if you try to stop the SFGW Service when it cannot close all open files (if the host connection went down, for example). If the SFGW Service cannot close a file, it tries to invalidate the associated file control block (FCB) in the Sffsd.sys driver. This was failing to happen.



STATUS
Microsoft has confirmed this to be a problem in SNA Server version 4.0. This problem has been corrected in the latest U.S. Service Pack for SNA Server version 4.0. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Keywords: kbqfe KB185711

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