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Do I need an on-prem SSL Cert after migrating to Office 365?

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Last Modified: 2018-09-21
We've migrated to office 365 and my old SSL Certs (from our on-prem Exchange server) are expiring. Do i need an SSL Cert for Office 365? Part of the reason i ask is because we're getting "A secure connection cannot be established with the server xxx.office365.com on our Apple Macs.
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Top-Rated Plus Freelancer (Upwork)/EE Solution Guide / CEO / Photographer
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ronfastI.T. Director

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Commented:
Okay, it was a cutover. that answered my question. thanks.
Jose Gabriel Ortega CastroTop-Rated Plus Freelancer (Upwork)/EE Solution Guide / CEO / Photographer
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Np. Your welcome! glad to help
MichelangeloSystem Administrator / Postmaster
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BTW, You were getting that specific error because there was an issue with certificates on September, 13th, on office 365 part. Just for the records.
ronfastI.T. Director

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Commented:
good to know