Error when installing Webtrends UI: You were not connected because a duplicate name exists on the network.


Webtrends Analytics 9.x


Installation of Webtrends Analytics 9.x fails when installing the Main Application and UI, returning error code 1603. The installation log configureIIS.log, found in the \logs folder at the root of the installation, contains the following message:

[8:32:13 PM]: Creating ISAPI Web Service Extension
[8:32:13 PM]: *** ERROR ***
[8:32:13 PM]: Exception has been thrown by the target of an invocation.
[8:32:13 PM]: You were not connected because a duplicate name exists on the network. If joining a domain, go to System in Control Panel to change the computer name and try again. If joining a workgroup, choose another workgroup name. (Exception from HRESULT: 0x80070034)
[8:32:13 PM]: at System.DirectoryServices.DirectoryEntry.Invoke(String methodName, Object[] args)
at DotNetInstallLibrary.UIServer.CreateISAPIWebServiceExtension()
at DotNetInstallLibrary.UIServer.CreateWebSite()
at DotNetInstallLibrary.UIServer.InstallIISConfiguration(Int32 iisVersion, String ipAddress, String port, String installPath, String pathComponent, String uncUsername, String uncPassword)


In some instances where Webtrends fails to install or has been uninstalled, the Webtrends ISAPI filter is not removed during the uninstallation process.


To manually remove this ISAPI filter, open Internet Information Services Manager, and under the section IIS open “ISAPI and CGI Restrictions”. Right-click on the WebTrends ISAPI and select “Remove”.