Certificate with thumbprint was not found in certificate store or has expired.

Ken Nye 0

I created an APP on 2/16/2022 and a certificate that expires 2/16/2032. As of 1/10/25 I now get this error when I try to call the API

Certificate with thumbprint 'xxxxxxx' was not found in certificate store or has expired.

When I look in my Azure App registrations it show my app with a current and valid certificate.

Sanoop M 675 Reputation points Microsoft Vendor

2025-01-29T19:07:48.3933333+00:00

Hello @Ken Nye,

Thank you for posting your query on Microsoft Q&A.

To further check this issue, could you please provide the below mentioned details.

1.Please update us exactly what API you are trying to call and from where you are trying to call the API?

2.Please provide us the Error Screenshot when you are trying to call the API.

3.Please go to the Certificates and Secrets page of your application from App Registrations section and please check how many certificates are you able to see in the Certificates section(Please provide us the Screenshot).

4.If you are able to see any previously expired certificates in the Certificates section, please delete that expired certificate and check the behavior if you are successfully able to call the API or not.

I am looking forward to your response.

Thanks and Regards,

Sanoop Mohan
Sanoop M 675 Reputation points Microsoft Vendor

2025-01-30T20:40:51.49+00:00

Hello @Ken Nye,

We haven’t heard from you on the last response and was just checking back to see if you could provide the additional details as mentioned above. In case if you have any resolution, please do share that same with the community as it can be helpful to others. Otherwise, we will respond with more details and we will try to help.

Thanks and Regards,

Sanoop Mohan

Ken Nye 0

I created an APP to connect to outlook calendar, I am using powershell to connect, this is the error that I get

Connect-MgGraph: untitled:Untitled-1:2:1

Line |

  2 |  Connect-MgGraph -ClientID 3b3cd157-e39b-4d7e-8190-xxxxxxxxx -Tenan …

    |  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    | Certificate with thumbprint '36A225E905C5392CCAxxxxxxxxxxx' was not found in certificate store or has expired.  
```   ![User's image](/api/attachments/a79ed054-f928-453f-885a-87ad20eac448?platform=QnA)
   
   I have no expired secrets or certficates.  
![User's image](/api/attachments/9aad048e-4a6e-47bf-927d-ac0a99700d83?platform=QnA)

![User's image](/api/attachments/8f65c8af-c916-415b-88f9-ce28b9919c0a?platform=QnA)

Ken Nye 0 Reputation points

2025-01-30T20:47:53.9433333+00:00

duplicate.. please delete
Sanoop M 675 Reputation points Microsoft Vendor

2025-02-03T19:41:22.8633333+00:00

Hello @Ken Nye,

Thank you for your response.

Please send us an email on 'azcommunity@microsoft.com' with Sub - "ATTN: sanoopm" and following details in the email body: Link to this thread/post.

We can connect offline and discuss further on this issue.

Thanks and Regards,

Sanoop Mohan

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