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Siebel Analytics Installation and Configuration Guide > Installing the Siebel Analytics Cluster Server Feature > Process of Installing the Clustering Feature >
Configuring Client Computers for Clustering
This task is part of the Process of Installing the Clustering Feature.
Although much of client/server communication uses TCP/IP, the clustering feature does not—it uses DCOM. As a result, you need to configure client computers that use the Siebel Analytics Server and cluster controllers. The configuration uses an environment variable, NQUIRE_DCOM, which participates in a cluster.
Any client computer that accesses clustered servers must be configured by setting the NQUIRE_DCOM environment variable to 1 at the system level, then restarting the client computer. This action causes the PORT number value supplied in the DSN setup to be ignored.
NOTE: After setting the NQUIRE_DCOM environment variable on a client computer, that client can no longer access Siebel Analytics Servers that are not clustered.
The method of configuring clients of clustered servers is different for Windows 2000 and Windows NT.
To configure clustered server clients for Windows 2000
- Navigate to Start > Settings > Control Panel > System.
- Click the Advanced tab.
- Click Environment Variables.
- In the bottom panel (labeled System variables), click New.
- Enter NQUIRE_DCOM in Variable Name box and 1 in Variable Value box.
- Click OK.
- Click OK in previous dialog.
- Click OK button in second previous dialog.
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Siebel Analytics Installation and Configuration Guide Published: 09 September 2004 |