Active Directory/Documentation/Packaging Notes

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Upgrading Packages in Group Policy

  • When upgrading a software package from another group policy, the new group policy must be ahead of the upgraded group policy in the link order (i.e. the new policy must have a higher precedence than the old policy).

Custom Actions

  • For script based actions, I usually choose *Stored in custom action*.
  • For most actions, it makes sense to sequence them in the *Install Exec Sequence* after all the other actions.
  • MSI Custom Actions do not support the WScript object model (see the example below).
Set WShell = WScript.CreateObject("WScript.Shell")

instead of 

Set WShell = CreateObject("WScript.Shell")
  • To only run action during installation, add the following condition:
NOT Installed
  • To only run action during uninstallation, add the following condition:
Installed AND REMOVE="ALL"
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