You may receive an error message during the license installation in Windows Vista when you perform a Windows Anytime Upgrade: "An error occurred during the license installation"


When you try to perform a Windows Anytime Upgrade in Windows Vista, you may see a Software Licensing Commerce Client (SLCC) dialog box. This dialog box contains an error message that resembles the following:
An error occurred during the license installation

Error Code: 0x80070426
Error Information:
The service has not been started.

For assistance please try one of the following support contacts:



This problem occurs if the Software Licensing service (Slsvc.exe) is not running during the upgrade process.


To work around this problem, follow these steps:
  1. Close the SLCC dialog box, and then restart the computer.
  2. Make sure that Slsvc.exe is running before you start the upgrade process. To do this, follow these steps:
    1. Click Start Start button  , type services in the Start Search box, and then click Services in the Programs list.
      User Account Control permission If you are prompted for an administrator password or confirmation, type your password, or click Continue.
    2. In the Services control panel, verify that the Software Licensing service is Started.
  3. Use the download link from your purchase confirmation e-mail to start the upgrade process again.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

문서 ID: 930379 - 마지막 검토: 2010. 5. 14. - 수정: 1