Tip of the day: isMemberOf Transpot rule is not firing

This tip is for customers running dedicated exchange and MT, though it will probably raise in hybrid scenarios as well. In this scenario the MX record is sending the traffic to MT environment and the transport rule is based on isMemberOf.Description                                   : If the message:                                                       Is sent to a member of group ‘allusers@contoso.com’                                                        …

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Bad relationship meaning no Free/Busy

TL;DR – if you have a bad personal relationship then you will lose free/busy 🙂 I’ve recently worked with one of our o365 customers to investigate a free/busy issue not working across forest in one direction from X1@contoso.com —–x> to Y1@datum.com It’s working for everyone else, even X1 is able to see the f/b of…

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