Microsoft KB Archive/941144

= Error message when you try to manually start the Telephony service: &quot;Windows could not start the Telephony service on Local Computer&quot; =

Article ID: 941144

Article Last Modified on 8/21/2007

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APPLIES TO


 * Windows Vista Business
 * Windows Vista Enterprise
 * Windows Vista Home Basic
 * Windows Vista Home Premium
 * Windows Vista Ultimate
 * Windows Vista Business 64-bit Edition
 * Windows Vista Enterprise 64-bit Edition
 * Windows Vista Home Basic 64-bit Edition
 * Windows Vista Home Premium 64-bit Edition
 * Windows Vista Ultimate 64-bit Edition

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Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows registry



SYMPTOMS
On a Windows Vista-based computer, the Telephony service may not start. When you try to manually start the Telephony service, you may receive the following error message:

Windows could not start the Telephony service on Local Computer.

Error 1053: The service did not respond to the start or control request in a timely fashion.

Additionally, the following events may be logged in the System log: Event ID: 7000

Source: Service Control Manager Eventlog Provider

Description: The Telephony service failed to start due to the following error:

The service did not respond to the start or control request in a timely fashion.

Event ID: 7009

Source: Service Control Manager Eventlog Provider

A timeout was reached (30000 milliseconds) while waiting for the Telephony service to connect.



CAUSE
This problem occurs because the value for the ImagePath registry entry is incorrect.



RESOLUTION
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

To resolve this problem, follow these steps:  Click Start, type regedit in the Start Search box, and then click regedit.exe in the Programs list.

If you are prompted for an administrator password or for a confirmation, type your password, or click Continue. Locate the following registry subkey, and then click it:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TapiSrv

 In the details pane, right-click ImagePath, and then click Modify. In the Value data box, type the following registry value, and then click OK:

%SystemRoot%\System32\svchost.exe -k NetworkService

Note If NetworkService does not appear in the %SystemRoot%\System32\svchost.exe -k NetworkService registry value, the problem that is described in the &quot;Symptoms&quot; section may occur. Exit Registry Editor, and then restart the computer.

Note If you try to start the Telephony service before you restart the computer, you may receive the following error message:

Error 1290: The service start failed since one or more services in the same process have an incompatible service SID type setting. A service with restricted service SID type can only coexist in the same process with other services with a restricted SID type. If the service SID type for this service was just configured, the hosting process must be restarted in order to start this service.



Keywords: kbtshoot kbprb kbexpertiseinter KB941144

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