What’s New in Siebel Installation Guide, Siebel CRM 21.6 Update

The following information lists the changes in this revision of the documentation to support this release of the software.

Topic	Description
Installation-Related Changes in Siebel CRM	Modified topic. Updated topics for Siebel CRM 21.6.
Installing Siebel CRM in an Update Installation Restoring a Prior Installation and Configuration	Modified topics. It is strongly recommended to back up the Siebel database before installing Siebel CRM as an update installation (in which the installer runs PostInstallDBSetup). After installing Siebel CRM, if you decide to roll back the installation and restore your prior release, then, as part of this task, you can use this backup to restore the Siebel database to its prior state.
About the Migration Package Location Creating the Siebel Service Owner Account	Modified topics. The Siebel service owner account must have read-write access to the Siebel File System and the Migration Package Location.
Managing Environment Variables on UNIX	Modified topic. Added mention of the RESOLV_MULTI environment variable, which is required for Enterprise deployment on Linux.
Configuring the Common Logger for Siebel Application Interface	Modified topic. Moved most of the information in this topic into Siebel System Monitoring and Diagnostics Guide.