| Event Id | 120 |
| Source | Microsoft-Windows-CertificationAuthority |
| Description | A portion of the Active Directory Certificate Services upgrade failed: CertSrv admin could not be registered. %1 |
| Event Information | According to Microsoft : Cause : This event is logged when A portion of the Active Directory Certificate Services upgrade failed. Resolution Resolve issues causing portions of a certification authority upgrade to fail A portion of the certification authority (CA) upgrade could not be completed. The information in the event log message and the following resolutions can help you correct problems that prevented a portion of the CA upgrade from succeeding. Possible resolutions include: Confirm that the user performing the upgrade is a member of the local Administrators group. If existing certificate templates need to be upgraded or new certificate templates need to be installed, the upgrade must be performed by a member of the Enterprise Admins group. Confirm that the CA you are attempting to upgrade is installed on a computer running Windows Server 2003 or Windows Server 2008. You cannot upgrade a CA from a computer running Windows 2000 directly to a computer running Windows Server 2008. Restart the computer and try the upgrade again. Verify : To perform this procedure, you must have permissions to request and enroll for a certificate. To confirm that the upgrade has completed successfully, perform a test enrollment for a user or computer certificate: 1.Log on to a domain computer running Windows Vista as a domain user with Enroll permissions on at least one template. 2.Click Start, type mmc, and then press ENTER. 3. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue. 4.On the File menu, click Add/Remove Snap-in, click Certificates, and then click Add. 5.Click User account, and click Next. 6.Click Finish, and then click OK. 7.In the console tree, double-click Certificates - Current User, and click Personal. 8.On the Action menu, point to All Tasks, and click Request New Certificate to start the Certificate Enrollment wizard. 9.Use the wizard to create and submit the certificate request. 10.Under Certificate Installation Results, confirm that the enrollment completes successfully and no errors are reported. You can also click Details to view additional information about the certificate. |
| Reference Links | Event ID 120 from Source Microsoft-Windows-CertificationAuthority |
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