Purpose: Purpose: Disable the SSL offloading configuration for on-prem Exchange in order to prepare the environment to enable OAUTH/HMA between O365 and Exchange. This is a prerequisite for that. This is also an attempt to resolve a Free/Busy issue.
Affected: OWA, MAPI
Impact: MAPI outage during implementation and troubleshooting. Momentary OWA outage when restarting services.
Affected: Outlook clients.