Advice follows warning from Microsoft that an old certificate for allowing automatic Exchange mitigations is dead.

Threat researcher Huntress is warning MSPs of on-premise Microsoft Exchange Server ProxyShell vulnerabilities that could be exploited by cybercriminals as early as this weekend. Huntress has seen ...

Microsoft says outdated Exchange servers cannot receive new emergency mitigation definitions because an Office Configuration ...

You already did move mailboxes from Exchange on-premises to Exchange Online. What if you want to move a mailbox back to Exchange on-premises? The term is also known as offboarding a mailbox from the ...

Get a predictable payment schedule through a subscription-based service for customers with on-premises mailboxes. Exchange Online Protection is also included in Exchange Online and any Microsoft 365 ...

NOTE: Any on-premises security groups must be mail-enabled and synchronized to Exchange Online to re-apply mailbox permissions that don't already use distribution groups. NOTE: Script can expand ...