CommunicationException: Failed to connect to the server.
Make sure that the server is running and your session has not timed out.
If you can reach the server but cannot log on, make sure that you provided the correct parameters.
If you are experiencing network issues, contact your system administrator. ErrorCode: 0x80020000 ( in the Install_log.err)
Try the following steps:-
1) Configure the ODBC connection with the correct database password.
2) Restart IIS service
3) Restart the SEPM Service
4) Restart the Server