| Event Id | 64 |
| Source | Microsoft-Windows-CertificateServicesClient-AutoEnrollment |
| Description | Certificate for %1 with Thumbprint %2 is about to expire or has already expired. |
| Event Information | According to Microsoft : Cause : This event is logged when Certificate for %1 with Thumbprint %2 is about to expire or has already expired. Resolution : Renew a CA certificate A computer certificate on a managed computer, not a certification authority (CA), must be renewed when it passes 90 percent of its validity period or has expired. Because a successful renewal will generally be initiated before the certificate reaches 90 percent of its lifetime, this error indicates that there may be a problem automatically obtaining a new certificate via autoenrollment. Note: To perform this procedure, you must have membership in local Administrators or Users on the computer that logged the error, or you must have been delegated the appropriate authority. To renew a CA certificate: 1.Click Start, typemmc, and then press ENTER. 2.If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then clickContinue. 3.On the File menu, click Add/Remove Snap-in, click Certificates, and then click Add. |
| Reference Links | Event ID 64 from Source CertificateServicesClient-AutoEnrollment |
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