| Event Id | 93 |
| Source | Microsoft-Windows-CertificationAuthority |
| Description | The certificate (#%1) of certification authority %2 does not exist in the certificate store at CN=NTAuthCertificates,CN=Public Key Services,CN=Services in the Active Directory's configuration container. The directory replication may not be completed. |
| Event Information | According to Microsoft : Cause : This event is logged when the certificate authority does not exist in the certificate store in the active directory. Resolution : Ensure that AD CS can publish the CA certificate to the NTAuth store To resolve this problem: 1.Confirm permissions on the NTAuth store. 2.Check the NTAuth store and, if necessary, publish the certification authority (CA) certificate manually. Note:To perform these procedures, you must have Manage CA permission, or you must have been delegated the appropriate authority. 1.Confirm NTAuth store permissions To check the permissions of the CA on the NTAuth container: 1.On a domain controller, clickStart, point toAdministrative Tools, and click Active Directory Sites and Services. 2.ClickActive Directory Sites and Services [domainname] where [domainname] is the name of your domain. 3.On the View menu, clickShow Services Node. 4.Double-clickServices, double-clickPublic Key Services, right-clickNTAuthCertificates, and clickProperties.5.Click theSecurity tab, and then confirm that the computer hosting the CA has Read permissions. 2.Confirm contents of the NTAuth store To check the contents of the NTAuth store in Active Directory Domain Services (AD DS): 1.At a command prompt, typecertutil -viewstore ldap:///CN=NTAuthCertificates,CN=Public Key Services,CN=Services,CN=Configuration,DC= Replace 2.If the CA certificate is not listed in the output, add it manually by typing the following command:certutil -dspublish Replace 3.Locate the CA certificate file on a computer To locate the CA certificate file on the local file system: 1.Open a command prompt window. 2.Typecertutil -getreg CA\CACertPublicationURLs and press ENTER. |
| Reference Links | Event ID 93 from Source CertificationAuthority |
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