Product:
Cognos Controller 10.1 RTM
Windows 2008 R2 server

Symptom:
When start Cognos Controller client for the first time, it stop at the WSSurl value.
To try to troubleshoot you surf to http://servername/ibmcognos/controllerserver/ccrws.asmx.

Error Message:
Server Error in ‘/ibmcognos/controllerserver’ Application.

Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: Could not load file or assembly ‘stdole, Version=7.0.3300.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a’ or one of its dependencies. The system cannot find the file specified.

Source Error:
Line 36:
Line 37:
Line 38:
Line 39:
Line 40:

Source File: E:\Program Files (x86)\ibm\cognos\c10\ControllerProxyServer\web.config Line: 38

Assembly Load Trace: The following information can be helpful to determine why the assembly ‘stdole, Version=7.0.3300.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a’ could not be loaded.

WRN: Assembly binding logging is turned OFF.
To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.
Note: There is some performance penalty associated with assembly bind failure logging.
To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

Version Information: Microsoft .NET Framework Version:2.0.50727.5448; ASP.NET Version:2.0.50727.5456

Cause:
Missing file “stdole.dll” on application server

Solution:
Install SQL 2005 32 client on Controller Applications server, including Workstation components, Books Online and development tools.

Or upgrade to latest version of Cognos Controller

More Information:
https://www-304.ibm.com/support/docview.wss?uid=swg21509303