Exchange Delegation Federation renew

Crod 266 Reputation points
2021-03-29T22:41:49.39+00:00

I have a hybrid 2013 exchange setup and with in EAC\Servers\Certificates I see that 'Exchange Delegation Federation' self-signed certificate is about to expire but has a 'Renew' button.

Questions:

What impact will this have if I select 'Renew, then okay'?
Are there other steps maybe via powershell that I should be doing instead?

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
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  1. KyleXu-MSFT 26,206 Reputation points
    2021-03-30T02:25:28.347+00:00

    @Crod

    There exist two situations: this certificate is expired or expire soon:

    • If the federation certificate hasn't expired, you can update the existing federation trust with a new federation certificate.
    • If the federation certificate has already expired, you need to remove all federated domains from the federation trust, and then remove and recreate the federation trust.

    For more detailed information, you can have a look about this article: Renew the federation certificate

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