You need to resolve the search issue reported by the users in the New York office.
You restart the Microsoft Exchange Search service and discover that the active copy of the mailbox database has a content indexing status of Unknown.
What should you do next?
A. Rebuild the content index.
B. Run the Update-MailboxDatabaseCopy cmdlet and specify the -manualresume parameter.
C. Restart the Microsoft Exchange Mailbox Replication service.
D. Run the Update-MailboxDatabaseCopy cmdlet and specify the -catalogonly parameter.
