| Security | 4886 | Info | Certificate request submitted |
| Security | 4887 | High | Certificate request approved |
| Security | 4888 | Medium | Certificate request denied |
| Security | 4889 | High | Certificate request issued |
| Security | 4890 | Warning | Certificate request failed |
| Security | 4891 | High | Certificate revoked |
| Security | 4892 | High | Certificate manager settings changed |
| Security | 4893 | High | Certificate template modified |
| Security | 4894 | Medium | CA database backup |
| Security | 4895 | High | CA database restored |
| Security | 4896 | High | CA security permission changed |
| Security | 4897 | High | CA configuration changed |
| Security | 4898 | High | Certificate template security changed |
| Security | 4899 | Critical | CA private key archived |
| Security | 4900 | Critical | CA private key recovered |
| Security | 4901 | Info | Certificate manager started / stopped |
| Security | 4902 | High | CA database purge |
| Application | 53 | High | Certificate template modified |
| Application | 64 | Critical | Certificate issued to unauthorized subject |
| Application | 1007 | High | CA key archival failed |
| Application | 1023 | High | CRL publishing failed |
| Security | 4898 | Info | Certificate services started |
| Security | 4899 | High | Certificate services stopped |
| Application | 53xx series | High | Generic AD CS errors (startup, service failure) |
| Application | 22 / 23 | Critical | Certificate Services failed to start / stopped |
| Application | 100 | Info | Certificate Services started successfully |
| Application | 48 | Info | CRL published successfully |
| Application | 1006 – 1008 | High | CA unable to publish to Active Directory |
| Application | 90 | Medium | Certificate template loaded or missing |
| Application | 99 | Medium | Certificate renewal succeeded / failed |
| Security | 4885 | High | Audit settings on CA changed |
| Security | 4898 | High | CA or template ACLs modified |
| Security | 4906 | Medium | CRL published |
| Security | 4910 | Info | Certificate services configuration loaded |
| Security | 4912 | Medium | Configuration file changed |
| Application | 1007 | High | CA key archival failed |
| Application | 1023 | High | CRL publish failed |
| Security | 4887 | High | Certificate manager denied a request |
| Security | 4888 | Medium | Certificate request approved |
| Security | 4899 | Medium | Certificate authority backup completed |
| System | 53 | High | Certificate template modified |