CCS upgrade from 12.6.1 to 12.7 did not started, result shows as Not Started.
Looking at the logs PowerShell snapin from running on old versoin 12.0.xx and CCS is not able to upgrade
Log Entry:
CSIExec,7944,Sequence Thread: CSI.Anchor.OnBegin,6,Run,,0,2,Current MSI activity: CSM.CCS.PowershellSnapinsInstall is not upgradable as its minimum version 12.50.10000.1000 is not installed.
CCS 12.6.x
PowershellSnapins running on older version. Minimum it requires version 12.50.10000.1000
Solution is either uninstall PowerShell snapins OR upgrade it to a newer version greater than the 12.50.10000.1000 version.
For “Installing and adding CCS PowerShell snap-ins” https://knowledge.broadcom.com/external/article/153064/installing-and-adding-ccs-powershell-sna.html