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SMS Issuing Certificate Expired

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AuthorNawaz kazi

I encountered an issue with one of my clients on CMG, and I checked the CMG logs but found no information about the problem. After some time, I realized that this issue affected all CMG machines. 

While i was troubleshooting the issue, i tried this and this solution worked for me. I have made my troubleshooting available in terms of a blog and would appreciate any feedback you have here.

Issue Analysis and resolution:

CCMMessaging.log file on the Client machine. This error is generic and hints to me about communication and port issues.ccmmessaging error

 

As I am using ehttp, I started searching around SMS Issuing certificates and found them to be expired.

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Now I know where to look for a solution and what needs to be done. I did remember about SMS Issuing Certificates renewing themselves, but this is not the case with me. I tried renewing the certificate from the SCCM Console which did not help me and also but certmgr.log did not show any alerts.

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Did referred few articles like those below, but didn’t help me either.

https://docs.microsoft.com/en-us/answers/questions/607721/renew-sms-issuing-certificate.html

Also, Disabled ehttp, and enabled it again. No success.

I also tried, disabled ehttp, reinstall management point, and enabled ehttp again with no success.

I was having a nightmare.

Before jumping on the forum and asking for help I thought to try something and check. Ehttp is enabled, management point is working fine at moment. I navigated to IIS –> Server Certificates

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Removed old expired certificate. Created a Self-Signed Certificate with the same name as SMS Issuing

 

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Bind the newly created certificate to the default website

 

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Restarted SCCM service on the client to quickly see the result.

After a few warning queue messages are delivered to the Internet management point and voila issue was resolved.

 

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