What should you do on the on-premises Exchange server?

You have a hybrid deployment between a Microsoft Exchange Online tenant and on-premises Exchange Server 2019 organization. The on-premises organization contains several Exchange Server 2019 servers.

You discover that delivery fails for all email messages sent from the on-premises organization to Microsoft 365.

You discover that the certificate for an on-premises Exchange server expired.

You need to resolve the issue as quickly possible. The solution must minimize administrative effort.

What should you do on the on-premises Exchange server?
A . Create a new self-signed certificate.
B. Generate a certificate renewal request.
C. Generate a certificate request.
D. Add the certificate for a new root certification authority (CA).

View Answer

Answer: B

Explanation:

Reference: https://practical365.com/exchange-server/how-to-generate-ssl-certificate-request-exchange-2016/