Removal of ClearCase® foundation fails after addition of automatic view support.
You installed "ClearCase foundation." Then, you modified the installation to add "Automatic view client" and remove "ClearCase foundation."
Result: Removal of ClearCase® foundation in this context fails with the error message, "validation of CC_ServerProcessUserID, username, and password don't match".
Resolving The Problem
If you installed ClearCase® foundation and later decide that you do not want it, remove it and reboot the machine. Then, use IBM® Installation Manager to add support for the automatic view client.
23 November 2020