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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 client/server communication method for Siebel Analytics Server is TCP/IP, where before it was DCOM. To support this change in method, a Port field has been added to the Enter Logon Information screen in Siebel Analytics ODBC Wizard, and two parameters have been added to the Server section in the NQSConfig.ini file. For information about the new parameters in the configuration file, see CLIENT_MGMT_THREADS_MAX and RPC_SERVICE_OR_PORT.

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.

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 will no longer cause the service to start automatically.

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