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Siebel Analytics Installation and Configuration Guide > Installing Siebel Analytics Software in the Windows Environment > Additional Requirements for Installing on Windows >

Upgrade Note On Siebel Analytics Server Client/Server Communication

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The default Siebel Analytics Server client/server communication method is TCP/IP; previously, it was DCOM. To support this change in method, the following changes have been made:

• In the Analytics ODBC Wizard's Enter Logon Information screen, a Port field has been added.
• In the NQSConfig.INI file, two parameters have been added to the Server section.

  For information about the new parameters in the configuration file, see CLIENT_MGMT_THREADS_MAX and RPC_SERVICE_OR_PORT.

• With the change to TCP/IP, the Siebel Analytics Server service needs to be started before you use the Siebel Analytics Administration Tool to open a repository in online mode. Opening a repository in online mode does not cause the service to start automatically.
• If you are already running Siebel Analytics Server but are continuing to use DCOM, leave the Port field in the ODBC Wizard set to the default value of 9703, and define a Windows system environment variable named NQUIRE_DCOM to force the usage of DCOM. Set the variable value to 1.

For more information about using Siebel Analytics ODBC Wizard, see Siebel Analytics Server Administration Guide.

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