Test-OWAConnectivity cmdlet is similar to Test-ECPConnectivity. It verifies that the Outlook Web App (OWA) is working as expected. The cmdlet can be used in two ways – test OWA connectivity for all Exchange 2010 virtual directories on a specified CAS server for all mailboxes that are in the same AD site or test the connectivity for an individual Outlook Web App URL.
Run Test-OWAConnectivity –ClientAccessServer servername to test against a CAS server.
Run Test-OWAConnectivity –URL “https://emexch1.exchangemaster.me/owa” –MailboxCredential (Get-Credential domainusername) to test owa connectivity for a user.
You can use the “TrustAnySSLCertificate” parameter if your certificate isn’t a trusted one. Run Test-OWAConnectivity –URL “https://emexch1.exchangemaster.me/owa” –MailboxCredential (Get-Credential domainusername) –TrustAnySSLCertificate
The above command quickly checks whether a user can login using OWA. You do need the username and password of the user for the command to work.