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Note: If the Software Licensing Service reports error 0xC004F050 when installing the ESU key, this indicates that either the prerequisites have not been installed, or the updates are being applied to the wrong operating system. The ESU key for Windows 7 will not install properly if the prerequisites are missing. You could also consider modifying this script to support encryption or obfuscation of the ESU key however, that is out of scope for this post.Įnsure that ESU prerequisites are installedīefore you try to install and activate the Windows 7 ESU key, you should first ensure that all of the prerequisites are installed as outlined in Obtaining Extended Security Updates for eligible Windows devices. As a result, take care to ensure the confidentiality of your key by limiting its exposure. Important: Admins will be able to read the key by viewing the log files or the Group Policy Object (GPO).
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If you need to install ESU on isolated Windows 7 devices or have restricted internet access, the ActivationWs project supports activation of Windows 7 devices by using a proxy to communicate with the Microsoft BatchActivation Service. Note: The Activate-ProductOnline.ps1 script mentioned below requires that Windows 7 devices have Internet access for online activation. The scenario outlined in this post assumes that these devices are part of an on-premises Active Directory domain. If you are transitioning from Windows 7 Pro or Enterprise to Windows 10 and have purchased Windows 7 Extended Security Updates (ESUs), this post provides additional guidance on how to install and activate Windows 7 ESU keys on multiple devices using a multiple activation key (MAK).
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