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RMCCPSearch Action

  • Artykuł

The RMCCPSearch action uses file signatures to validate that qualifying products are installed on a system before an upgrade installation is performed.

Sequence Restrictions

RMCCPSearch action should be authored into the InstallUISequence table and InstallExecuteSequence table. The installer prevents RMCCPSearch from running in the InstallExecuteSequence sequence if the action has already run in InstallUISequence sequence.

ActionData Messages

There are no ActionData messages.

Remarks

The RMCCPSearch action requires the CCP_DRIVE property to be set to the root path on the removable volume that has the installation for any of the qualifying products.

Each file signature in the CCPSearch table is searched for under the path referred to by the CCP_DRIVE property using the DrLocator table. The absence of the signature from the Signature table denotes a directory. If any signature is determined to exist, the RMCCPSearch action terminates.

CCPSearch table