I’ve been applying Update Rollup 2 on Service Manager 2012 R2 as per the instructions here but in the middle of applying the update in the management server I’ve received the following error:
An Error Occurred While Executing a Custom Action:_PatchMP
Installation failed. I’ve took a close look of the setup log. A saw that this was caused by MSI Error 1603 and I’ve deiced to restart the server.
After restart the update was fired up again and this time installation completed successful: