You may come across the issue after performing the installation of the AR 7.3.1, that the service is nowhere to be found. The Configuration Center then fails with the error:
"The specified service does not exist as an installed service".
You may have tried several uninstalls, repairs and server restarts, but the issue persists.
Residual corrupted data.
Perform a clean install following the steps below:
1) Uninstall the currently AR deployment, including the following residual files/containers:
a) C:\Program Files\One Identity\Active Roles
b) C:\ProgramData\One Identity\Active Roles
c) HKEY_LOCAL_MACHINE\SOFTWARE\One Identity\Active Roles
d) HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\One Identity\Active Roles
e) HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\One Identity\Updates\Active Roles 7.3
2) Restart the server;
3) Login to the server with credentials holding local admin permissions;
4) Temporarily disable any protection programs deployed on the server;
5) Launch the AR 7.3.1 installer as administrator and reattempt the AR install.