The Joys of Managing Large Microsoft Teams

by Tony Redmond

Teams now supports memberships of up to 5,000 users. This is great for large tenants, but probably isn't too interesting for most of Office 365. If you're in the situation where you might need to operate very large teams, you might need Microsoft to make some changes to the client, write some tools, and impose some basic etiquette on Teams users.

Exchange Privilege Elevation Vulnerability Addressed by Microsoft Patches

with 3 Comments by Tony Redmond

The recent exposure of a privilege elevation vulnerability that exists in the control Exchange has over Active Directory and EWS push notifications is fixed by cumulative updates for Exchange 2013, Exchange 2016, and Exchange 2019 and a roll-up update for Exchange 2010 SP3. These changes mark an architectural modification for Exchange, something that Microsoft is loathe to do outside major releases. Install the updates now!