The behavior that is mentioned in the 'Symptoms' section may occur when the Windows marker is missing from the Software Licensing table or when the Windows marker information is present but corrupted. To do this, contact the Microsoft Volume Licensing Service Center at the following Microsoft website: Volume Licensing Service Center More information Next, you must change the product key to a Multiple Activation Key (MAK). The information on this website includes an easy way to correct improper licensing by using a Get Genuine Agreement. For more information, visit the following Microsoft website: Legalization licensing solutions Before you try to upgrade, you must first purchase an underlying, qualifying, and genuine Windows license. Windows Volume License is for upgrades only. In this case, the Windows marker is not present in the ACPI_SLIC table. You purchased a computer that does not have a qualifying Windows operating system installed. However, the Windows marker in the ACPI_SLIC table is corrupted. You purchased a computer that has a qualifying Windows operating system installed. This problem occurs for one of the following reasons. This problem occurs if the KMS server does not find a valid Windows marker in the ACPI_SLIC table in the computer's BIOS program.

The computer uses an ACPI_SLIC table in the computer BIOS program.Īn ACPI_SLIC table is used by an Advanced Configuration and Power Interface (ACPI)-compliant BIOS program to store Software Licensing description information.You are using the Key Management Service (KMS) to perform activation.This behavior occurs when the following conditions are true:

Please contact your system administrator or use a different type of key. Volume licensed systems require upgrading from a qualified operating system.

The Software Licensing Service reported that the computer could not be activated with a Volume license product key. You must have a qualifying operating system license AND a Volume license Windows upgrade license, or a full license for Windows through an OEM or from a retail source.ĪNY OTHER INSTALLATION OF THIS SOFTWARE IS IN VIOLATION OF YOUR AGREEMENT AND APPLICABLE COPYRIGHT LAW.ĭescription: The Software Licensing Service reported that a license in the computer BIOS is invalid.

In order to activate, you need to change your product key to a valid Multiple Activation Key (MAK) or Retail key. You receive one of the following error messages: When you try to activate Windows Vista or Windows 7 on a computer that was obtained from an OEM, you experience one of the following symptoms. This article provides a solution to solve errors that occur when you activate Windows Vista or Windows 7 on a computer that's obtained from an Original Equipment Manufacturer (OEM).Īpplies to: Windows 7 Service Pack 1 Original KB number: 942962 Symptoms

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