In-place upgrade process from VDA 7.13 to 7.15.1000 LTSR fails with error 1603.

Error Log is returned from "IcaTS_x64.msi" file which contains information: "MainEngineThread is returning 1603"
 

1. Reset the Performance Counters:
   • In an elevated command prompt reset the performance counters with the following command: "Lodctr.exe /R"
   • Then restarted the Machine.
2.  Run the VDA Cleanup Utility:
   • Download the VDA Cleanup Utility from the article: https://support.citrix.com/article/CTX209255.
   • Run this on the machine to remove all traces of any previous VDA installs.
   • Follow the instructions to clean up and then restart the machine.
3.  Rebuild the WMI Repository:
   • Open an Elevated Command Prompt.
   • Disable the WMI Service: sc config winmgmt start= disabled
   • Stop the WMI Service: net stop winmgmt
   • Salvage the WMI Repository: Winmgmt /salvagerepository %windir%\System32\wbem
   • Reset the WMi Repository: Winmgmt /resetrepository %windir%\System32\wbem
   • Re-enable the WMI service: sc config winmgmt start= auto
   • Restart the Machine
4. Proceed to install VDA 7.15 LTSR.

Problem Cause

Issue/corruption with performance counters and WMI repository on master images.