Microsoft KB Archive/141344

= Network Connections Refused Over NetBT =

Article ID: 141344

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Server 3.5
 * Microsoft Windows NT Server 3.51

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This article was previously published under Q141344





SYMPTOMS
You experience problems connecting to Windows NT computers over NetBT (NetBIOS for TCP/IP). Attempting to connect to the server produces the message:

System error 53 has occurred

The network path was not found

Alternatively, attempting to logon to a Windows NT domain from a Windows for Workgroups 3.11 client may produce the error:

The password you specified is incorrect or your account is inactive. See your network administrator for the password or to activate your account.

This occurs despite providing the correct password, and the account being active. Stopping and restarting the server service on the affected server resolves the problem temporarily.



CAUSE
NetBT issues a TCP connection reset (RST) on receipt of a session request message from the client. This was because NetBT ran out of free connections to the underlying transport (TCP).



RESOLUTION
This problem has been corrected in the latest Service Pack for Windows NT 3.51.



STATUS
Microsoft has confirmed this to be a problem in Windows NT versions 3.5 and 3.51. This problem was corrected in the latest Windows NT 3.51 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: nbt rst connection reset

Keywords: KB141344

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