I created a C# dll that uses DSO interface for Analysis Services.
This dll works fine from Windows application: it connects to the Analysis Server on the remote computers and updates cubes’ and roles’ data. When I tried to use the same assembly from the web application, I can’t connect to the remote server.
I used “INFO: Implementing Impersonation in an ASP.NET Application” instructions
to replace identity to my account and changed the account that the Aspnet_wp.exe process runs under to the System account in the <processModel> configuration section of the Machine.config file.
I still getting error:
“Cannot connect to the Analysis server on computer “compName” \r\n Connection to the server is lost."
I don’t see any other possibility to configure connection. DSO interface uses two lines of code:

DSO.Server myServer = new DSO.Server();
myServer.Connect(“myServerName”);

and runs all other stuff under the hood.
Any suggestion how to debug? May be document that describes what is going on?
May be parameters in the
LogonUser(userName, domain, password, LOGON32_LOGON_INTERACTIVE,
LOGON32_PROVIDER_DEFAULT, token)
are wrong?



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