Microsoft KB Archive/163620

= STOP 0x50 in Rdr.sys If Pathname Too Long in SMB =

Article ID: 163620

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q163620



SYMPTOMS
When you use Windows NT to access a file with an extremely long file name that is nested in a long path, the following blue screen STOP error message may occur:

STOP 0x00000050 (0xff737000 0x00000001 0x00000001 0x00000000)

Note: The first parameter will vary, but the last three should always be the same.



CAUSE
The Redirector (Rdr.sys) does not check the path name before sending a Query_Information server message block (SMB).



RESOLUTION
To resolve this problem, use one of the following methods:
 * Reduce the length of the path and/or the length of the filename of the file being accessed on the server.
 * Apply the Windows NT service pack mentioned in this article.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem is corrected in the latest Microsoft Windows NT 4.0 U.S. Service Pack. 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

Additional query words: 0xa nwrdr hotfix

Keywords: kbbug KB163620

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