Exchange Federated Cross-org Calendar Sharing in my own words

Anyone who’s been in AD / Email migration business long enough, can appreciate Exchange cross-org (or on-prem to Online) Federated Calendar sharing feature. Old days of setting up plentitude of Calendar synchronization jobs are going away, and instead of delayed and sometimes not syncing properly Calendar updates we can now fetch live F/B directly from the other side org.

Tags:

MS Exchange Client-Server protocols

Just came across this simple diagram of MS Exchange client-server protocols and figured I’d share it here. These days there is a bit of a confusion on where each protocol used in Exchange so I decided to try and fill this gap. I will also put it in the context of QMM migrations and describe  how it evolved over the years plus point out a difference in permissions assignment model.

Tags: