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Microsoft Dynamics CRM (Archived)

The certificate for S2S authentication is not installed.

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Posted on by 190

Hi 

I am trying to connect D365 on Premise to Exchange Online but get the following error "The certificate for S2S authentication is not installed." 

I have the correct Tenant ID and server address 'https://outlook.office365.com/EWS/Exchange.asmx'.

Looking on previous threads I cannot find the resolution.

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