Can you see if the issue continues even when you try deploying a new instance apart from the one you have. Just trying to rule out the possibility if its consistant / environment specific.
I have not seen this issue in my setup.
The script which you are refering to "resetadminpwd.sh" can be found in UI VM in the following path /usr/lib/vmware-vcops/user/conf/install/resetadminpwd.sh