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Brad Groux's avatar
Brad Groux
Iron Contributor
Aug 07, 2020
Solved

Can't connect to external meetings from the Teams Calendar, but can from Outlook

I am getting reports from many of my users across my organization that when they try and join a Teams meeting hosted by an external third party (such as a vendor, partner, or customer), that the meet...
Calendar
External
join
meetings
microsoft teams
outlook
  • Brad Groux's avatar
    Brad Groux
    Aug 11, 2020

    RESOLVED - It was Mimecast causing the issue, we simply added a https://infosec.force.com/ISIcommunity/s/article/Mimecast-Whitelisting#url for teams.microsoft.com to Mimecast, so did not put a mimecast.com security URL in its place.

Brad Groux's avatar
Brad Groux
Iron Contributor
Aug 11, 2020

RESOLVED - It was Mimecast causing the issue, we simply added a https://infosec.force.com/ISIcommunity/s/article/Mimecast-Whitelisting#url for teams.microsoft.com to Mimecast, so did not put a mimecast.com security URL in its place.

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