While installing Cognos BI and performing the initial configurations, few things that must be kept in mind are mentioned as follows:
- In distributed environments, Content Manager(s) must know the location of its content stores.
- In distributed environments, the application tier components (dispatcher) must know the location of Content Manager(s).
- Gateway computer(s) must know the location of at least one dispatcher.
- Cryptographic properties (passwords) must be the same on all computers, otherwise communication failure will occur. For this purpose, the gateway server must be configured at the end.
- After completing the configurations, the services on the Content Manager computer must start first.
- Do not use the same content store for multiple Content Managers running in the active mode; for example, two totally separate BI Servers that are running with all the components installed on the same machine and configured with the same content store. In this case, chances are that the content store will get corrupted. If the Cognos BI applications are running in a distributed environment, all Content Managers must use the same content store; but only one Content Manager is active at a time, and the remaining will work as standby Content Managers.
- When all the components have been installed and configured on the server(s), it is important to start Content Manager first (the one you want to make active). The remaining (if any) Content Managers must be started after that.
- The other components may be configured and started after the Content Manager.
- The server specified in the external dispatcher field URI on the gateway server should be the last server component that is started.
- For a Windows environment, install and configure all the server components before you install the Windows components.
- When services on Cognos servers are stopped, it is important to follow a sequence. The application tier components must be stopped first, then standby Content Manager(s) (if any), and then the active Content Manager.
- The easiest way to start Cognos is from the Windows command shell. Enter the
NET START "IBM Cognos" command. To stop Cognos, useNET STOP "IBM Cognos". This will start or stop the services in correct order.
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