Event ID 144 — Time Service Advertisement
Applies To: Windows Server 2008
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The Windows Time service (W32time) provides time source advertisements that clients can use to synchronize their clocks. The Windows Time service on a domain controller can be configured as either a reliable or an unreliable time source. The Windows Time service running on a client will attempt to synchronize its time source with servers that are indicated as reliable. The Windows Time service can configure a domain controller within its domain as a reliable time source, and it synchronizes itself periodically with this source.
Event Details
| Product: | Windows Operating System |
| ID: | 144 |
| Source: | Microsoft-Windows-Time-Service |
| Version: | 6.0 |
| Symbolic Name: | MSG_STOP_ADVERTISING_GT |
| Message: | The time service has stopped advertising as a good time source. |
Resolve
Ensure that the AnnounceFlags value is set correctly
The Windows Time service that is running on the local computer has stopped advertising that it is a good time source. Ensure that the AnnounceFlags attribute in the registry has the correct value.
To perform this procedure, you must have membership in the local Administrators group, or you must have been delegated the appropriate authority.
To verify the setting of the AnnounceFlags attribute:
Caution: Incorrectly editing the registry might severely damage your system. Before making changes to the registry, you should back up any valued data.
- Open the Registry Editor. To open the registry editor, click Start. In Start Search, type regedit, and then press ENTER. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
- Navigate to the following location in the registry: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config
- In the right pane, double-click the AnnounceFlags attribute. By default, this value is decimal 10 (value "a" in hexadecimal). Correct the value as necessary.
To learn more about Windows Time service registry values, see Windows Time Service Tools and Settings (https://go.microsoft.com/fwlink/?LinkID=42984).
Verify
When the Windows Time service is advertising time as a time source, Event ID 139, "The time service has started advertising as a time source," is logged in Event Viewer.
For more information about the Windows Time service, see the Windows Time Service Technical Reference (https://go.microsoft.com/fwlink/?LinkID=25393).