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Q138390: Cannot Find API getnamebyaddr Referred to in TN3270 Event 203

Article: Q138390
Product(s): Microsoft SNA Server
Version(s): WINDOWS:2.11
Operating System(s): 
Keyword(s): kbinterop kbnetwork
Last Modified: 13-JUN-2001

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The information in this article applies to:

- Microsoft SNA Server, version 2.11 
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SYMPTOMS
========

You cannot find the getnamebyaddr application programming interface (API) after
you configure TN3270 Server to resolve IP addresses to NetBIOS names and this
process fails causing the following event in the system log:

  Event 203: TN3270 server

  Description:
  Windows Sockets API call getnamebyaddr(xxx.xxx.xxx.xxx) failed in
  function TCPSessionInitialize with return code WSANO_DATA.

  EXPLANATION
  An unexpected error was encountered on a Windows Sockets API call.

  ACTION
  Record message and contact technical support.

NOTE: xxx.xxx.xxx.xxx in the description above represents the IP address.

CAUSE
=====

The API getnamebyaddr does not exist. Instead, Event 203 should refer to the API
call gethostbyaddr.

RESOLUTION
==========


WORKAROUND
==========

To work around this problem, evaluate the problem as if the API call
gethostbyaddr is referenced in Event 203.

STATUS
======

Microsoft has confirmed this to be a problem in SNA Server version 2.11. This
problem was corrected in the latest Microsoft SNA Server 2.11 U.S. Service Pack.
For information on obtaining the service pack, query on the following word in
the Microsoft Knowledge Base (without the spaces):

  SERVPACK


Additional query words: prodsna

======================================================================
Keywords          : kbinterop kbnetwork 
Technology        : kbAudDeveloper kbSNAServSearch kbSNAServ211
Version           : WINDOWS:2.11
Issue type        : kbbug
Solution Type     : kbfix

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