Exchange Server
A family of Microsoft client/server messaging and collaboration software.
1,150 questions
Exchange Event id 1003
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g youlin
0
Reputation points
Exchange event id 1003,Microsoft Exchange Server Auth Certificate is normal.
{count} votes
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Jayce Yang-MSFT 1,251 Reputation points Microsoft Vendor2024-03-08T09:31:37.9033333+00:00 Based on my experience, Event ID 1003 indicates an issue with the OAuth certificate when accessing OWA or EAC. Did you have the issue with OWA and EAC?
I notice that you have checked Microsoft Exchange Server Auth Certificate, but you also could try to renew it as the following article:
Can't access OWA/EAC with expired OAuth certificate - Exchange | Microsoft Learn
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g youlin 0 Reputation points
2024-03-08T09:46:12.2966667+00:00 It's Customer's environment，so Cannot operate casually
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Jayce Yang-MSFT 1,251 Reputation points Microsoft Vendor
2024-03-17T03:30:33.38+00:00 How many Exchange servers in the organization? Did all the servers have this issue?
Did you run (Get-AuthConfig).CurrentCertificateThumbprint | Get-ExchangeCertificate | Format-List?
Re-creation of the certificate is not complex and you can make a backup before any changes are made.
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Jayce Yang-MSFT 1,251 Reputation points Microsoft Vendor
2024-03-24T03:07:28.94+00:00 Just circling back to check to see how things are going on with this thread. Should you need more help on this, you can feel free to post back.
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