Today, the topic is too short. Is about Test-CsExStorageConnectivity.
This cmdlet let you know, if the partner aplications are correctly configured. To know if is ok, you need to run the follow cmdlet:
Test-CsExStorageConnectivity -SipUri firstname.lastname@example.org
If the result was like Test passed…. you have sucess…
This command, will check if your account was correctly configured with Exchange Server. But pay attention, you need have a mailbox to have sucess. It will connect through your mailbox, written a file and optionally delete this little file.