Error 25085. Setup Failed to Register VMware vSphere Update Manager Extension to VMware Vcenter Server:

Problem: When upgrading Update Manger from 5.5 to to 6.0.0 U2 on a new windows machine: Error 25085. Setup failed to register VMware vSphere Update Manager extension to VMware Vcenter Server:    The installer rolled back. Looking in the logs vminst.log file located in  %Temp% VMware Update Manager-build-3545890: 02/23/17 10:49:25 INFO: Reg/UnReg extn command: ["-v Read More…