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Siebel Database Upgrade Guide > Siebel Database and UI Upgrade Planning > Upgrade Planning for Multilingual Siebel DeploymentsUpgrades from: All Supported Siebel releases. Environments: Development, production test, production. Platforms: Windows, UNIX, IBM z/OS. As of Siebel CRM 8.0, the upgrade process upgrades both the primary (base) language and all deployed languages. This applies to upgrades from Siebel 7.x on both non-Unicode and Unicode databases. CAUTION: Each multilingual deployment must contain a primary language as well as those that are designated as secondary, or non-primary. For instance, a deployment may have ENU as the primary language and FRA, and JPN as its non-primary languages. Replacing ENU, the primary language in this example, with one of the non-primary languages during upgrade is not supported, as it will result in severe data corruption, making recovery extremely difficult. The development and production upgrep process does the following for the primary language and all deployed languages:
No language-related manual tasks are required to upgrade the deployed languages, except where noted. ValidationPrior to starting a development or production upgrep, you must have installed the new release's language packs for all deployed languages. The Database Server Configuration Utilities validate deployed languages by comparing the status of language packs installed on the Siebel Server with the language IDs of records in the S_LST_OF_VAL table. If there are Language IDs in S_LST_OF_VAL but no corresponding deployed language on the Siebel Server, the validation fails and you cannot continue the upgrade. Prior to starting a development or production upgrep, you must review the records in S_LST_OF_VAL, using Siebel Tools. Remove or deactivate records for languages that you do not have deployed. For more information, see Running the Siebel Database Configuration Wizard Under Windows, or Running the Siebel Database Configuration Wizard Under UNIX depending on your operating system. CAUTION: Regardless of whether you have American-English deployed, there will be records in S_LST_OF_VAL with Language Name = English-American. Do not deactivate or delete these records. The validation process ignores them. RestrictionsThe following restrictions apply to multilingual upgrades:
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