This performance improvement concerns the evaluation of procedure prerequisites in SXP software packages as of Unicenter Desktop and Server Management (Unicenter DSM) r11.2.
Only SXP packages that are created using the Software Management Packager for Windows, or using the CLI, or are migrated from a pre-r11 manager, that is, Unicenter Software Delivery 4.0 SP1, are capable of delivering the optimization.
The improved procedure prerequisite evaluation is not backwards compatible with earlier versions of Unicenter DSM r11. Therefore, it is switched off by default and must be enabled before any SXP packages containing procedure prerequisites are registered in the Software Package Library.
Enabling the improved evaluation mechanism works only if all CA ITCM managers in the enterprise are at the minimum release r11.2. Enabling the mechanism on a manager of an earlier Unicenter DSM r11 release has no effect.
Exporting SXP packages that contain procedure prerequisites from an r11.2 manager with the improved evaluation mechanism enabled to an r11.2 manager with this mechanism disabled works and delivers the optimization. Exporting into the other direction works but does not deliver the optimization.
Exporting packages that contain procedure prerequisites from an r11.2 manager with the improved evaluation mechanism enabled to a pre-r11.2 manager will produce internal process errors in CA ITCM. This includes the scenario where the enterprise manager is at release r11.2 but some or all linked domain managers are still at a pre-r11.2 release.
Exporting packages that contain procedure prerequisites from a pre-r11.2 manager (that is, at Unicenter DSM releases r11.0 or r11.1) and importing into r11.2 works but does not deliver the optimization.
Migrating or importing SXP packages that contain procedure prerequisites from a pre-r11 manager (that is, Unicenter Software Delivery 4.0 SP1) into r11.2 works but delivers the optimization only if the mechanism is enabled before the migration is started.
Registered packages containing nonoptimized procedure prerequisites can only get optimized by deleting them from the Software Package Library and recreating or remigrating them after the improved evaluation mechanism has been enabled.
To enable the improved procedure prerequisite evaluation use the following command:
ccnfcmda -cmd SetParameterValue -psitrm/usd/shared
-pnBuildQuerySQLWithParameters -v1
To disable the improved procedure prerequisite evaluation use the following command:
ccnfcmda -cmd SetParameterValue -psitrm/usd/shared
-pnBuildQuerySQLWithParameters -v0
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