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Failed CreateDNWACServer Object reference not set to an instance of an object


Getting "Failed CreateDNWACServer. Cause: Object reference not set to an instance of an object. URL: “http:///DNWACServerFactory/WACServerFactory.soap" when trying to open a graphic through WebPinpoint with Continuum version

Product Line

Andover Continuum


  • Windows XP
  • Windows Vista
  • Webclient
  • Windows Server 2003
  • Windows Server 2008


Configuration of mime types and correct path to the file must be made


  1. Make sure Microsoft .Net 2.0 is not installed as this will cause the above error message. We did not support Microsoft .Net 2.0 until the 1.74 release.
  2. Check to make sure that on the machine that the browser is being run from has the NetBIOS over TCP/IP enabled. This can be found in the advanced properties of the TCP/IP settings on that machine.
  3. Make sure that “Directory Browsing” is enabled for the NewGraphicsFiles in the IIS configuration. This can be found by running the IIS Service manager and expanding the explorer until you see the NewGraphicsFiles virtual directory. Right-click on the virtual directory and select properties. There will be a checkbox for “Directory Browsing” in the middle of the page, make sure this is selected.
  4. On XP add the aspnet to the DNWACServerFactory folder security tab on the folder.
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