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Microsoft KB Archive/172966

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Knowledge Base

SNA Manager Fails to Open Backup Configuration File

Article ID: 172966

Article Last Modified on 6/30/2004


  • Microsoft SNA Server 3.0 Service Pack 4, when used with:
    • Microsoft Windows NT 4.0
  • Microsoft SNA Server 4.0, when used with:
    • Microsoft Windows NT 4.0

This article was previously published under Q172966


When a user starts the SNA Manager while the Windows NT Server that hosts the Primary SNA Server is not reachable, the following pop-up message is displayed : "from SNAOLE - Configuration file not found". Clearing the message box by clicking the "OK" button, SNA Manager reports the message "CONFIG READ FAILED rc = 3935" on the information bar of the subdomain window.


When a Backup SNA Server starts, it reads the configuration file from the Primary SNA Server. When SNA Manager is run on that Backup SNA Server and the Primary SNA Server is unreachable, there is no mechanism to switch to the backup configuration file so the errors are displayed.


An SNA Server hotfix is available to correct this problem. Now, if SNA Manager fails to open the Currently Active Config File, a pop-up message is displayed saying: "Unable to open the Primary SNA Server configuration file. Okay to attempt opening a Backup SNA Server in read-only mode?" If the user clicks OK, Manager will look for a Backup Configuration File to open.


Microsoft has confirmed this to be a problem in SNA Server 3.0 and 3.0 Service Pack 1 (SP1). This problem was corrected in the latest SNA Server version 3.0 U.S. Service Pack. For information on obtaining this Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):


Keywords: kberrmsg kbbug kbfix kbnetwork KB172966