Once you have installed Exchange server 2016 its time to verify the exchange installation, So what we can do to verify if the exchange installation was completed without any issues.
- Run the Get-ExchangeServer and review the installed roles.
- review the setup logs for errors
You can find the setup log file at <system drive>\ExchangeSetupLogs\ExchangeSetup.log.
- Review the application log to make sure there are no serious warning or error messages related to exchange server setup.
- ran the Test-ServiceHelth command to check if the exchange services are running successfully.