Event ID 25 — Active Directory Domain Services Availability
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To verify license compliance, Active Directory Domain Services must be available and functioning correctly.
Event Details
| Product: | Windows Operating System |
| ID: | 25 |
| Source: | Microsoft-Windows-Windows Server Solutions Client Access Licensing |
| Version: | 6.0 |
| Symbolic Name: | LIC_AD_WRONG_TYPE |
| Message: | Unable to read License Store from the AD, because the License Store AD data type is %1 which is not octet string. |
Resolve
Fix Active Directory data type
A data type in the Active Directory database is not OCTET_STRING. This issue will be corrected by Active Directory Domain Services. No action is required.
Verify
Query the domain controller for information
Netdom enables administrators to manage domains and trust relationships from the command line.
To view domain information, run the following command:
netdom /query DC
For more information about using the netdom tool, see "Netdom" at the Microsoft Web site (https://go.microsoft.com/fwlink/?LinkId=136703).
Diagnose the status of the domain controllers
Dcdiag analyzes the state of domain controllers in a forest or enterprise and reports any problems to assist in troubleshooting. As an end-user reporting program, dcdiag encapsulates detailed knowledge about how to identify abnormal behavior in the system.
To view a report of the state of the domain controller, run the following command:
dcdiag /s:<ServerName>
Replace <ServerName> with the name of the Management Server or the Messaging Server.
Test trust relationships and the state of domain controller replication in the domain
To test the domain controller, run the following command:
nltest /dsgetdc:%userDNSdomain%
UserDNSdomain is an environment variable that contains the name of your domain.
For more information about using the nltest tool, see "Nltest" at the Microsoft Web site (https://go.microsoft.com/fwlink/?LinkId=136743).