1. Open Command Prompt as Administrator while logged in as the designated Data Engine Service Account.
2. From Command Prompt navigate to the directory where the UCA installation binaries are located
3. Run the installer via command prompt with the /log switch:
"UC Analytics.exe" /log
4. Check the Install.log it will reference the errors and ports that are being blocked.
E.g. If 7299 is blocked between the two machines you will see the following in the Install.log file:
01-Jun-2017 18:05:35: Nodetool error: nodetool: Failed to connect to 'ServerName:7299' - ConnectException: 'Connection timed out: connect'.
5. Unblock the required ports and re-attempt the installation.