Users report that they are unable to access their mailboxes on an Exchange Server 2007 computer named Exch1. You verify that connectivity to the server is functioning and that server hardware is functioning normally. Access to global catalogs is also functioning normally. You need to report on the status of all required Exchange-specific and Exchange-dependent services. What should you do?

A.
From the Exchange Troubleshooting Assistant, run the Database Troubleshooter.

B.
Run the Test-ServiceHealth -Server Exch1 cmdlet.

C.
Run the Test-SystemHealth -Server Exch1 cmdlet.

D.
Run the Get-ExchangeServer -Identity Exch1 cmdlet.