It has always been the case that the only supported patch level for Exchange on-premises – whether Exchange 2010, 2013, 2016 or soon 2019 – is n-1. Meaning that although your Exchange organisation doesn’t need to be bang up-to-date to be supported in a hybrid relationship with Exchange Online, you have to remain effectively within … More Office 365 Hybrid Configuration Wizard no longer runs with unsupported versions of Exchange
In a couple of scenarios recently I have come across clients where they have TMG/UAG/ISA in front of their Exchange Hybrid deployment and cannot allow traffic through to their Exchange infrastructure that isn’t pre-authenticated at the reverse proxy. This became a stumbling block most notably for Free/Busy with Exchange Hybrid – which uses Autodiscover to … More Manually setting Free/Busy endpoint for Exchange Hybrid
I was recently faced with a problem at a customer where they needed to remove a lot of old inactive domains from Exchange users before migrating to Office 365, but the majority of users were not using Email Address Policies, and so it would have taken a long time to resolve, so I wrote a … More New Script – Remove Domains from Exchange
The Exchange Team Blog announced yesterday that the latest update for the Hybrid Configuration Wizard for Exchange now supports Exchange 2010 SP3. This will be a massive boost to many businesses who are currently on 2010 and moving to O365, and will make setting up the Hybrid configuration in 2010 much easier, taking away one … More Update to Office 365 Hybrid Configuration Wizard brings Exchange 2010 support!