Microsoft recommends that users should no longer use slmgr.vbs to activate the system and should switch to modern PowerShell

📅 2026-09-11

Abstract:

Microsoft recently reminded enterprise IT administrators to re-evaluate the activation automation process based on slmgr.vbs. Microsoft's suggestion is that enterprises should use modern management methods such as PowerShell. VBScript is currently being phased out, so activation scripts based on the dependency slmgr.vbs may affect activation, authorization query, and batch deployment processes in future systems.

Many users may know how to use slmgr.vbs:

Users who frequently activate the system know that there are sometimes various magic Ks on the Internet: MAK KEY batch authorization keys that contain a large number of remaining activation times. The method of using such keys is very simple. There is no need to download other tools, modify the system settings, maintain a normal network connection, and then use slmgr /ipk XXXX to install the key, and then use slmgr /ato to activate the system. After the operation is completed, use slmgr /dlv to check the current authorization status.

The bottom layer of the activation command used here is the slmgr.vbs script, which is a license management script built into the system by Microsoft. It has long been used to view activation status, install product keys, configure KMS servers, and perform online activation.

slmgr.vbs works but will be gradually deprecated:

The bottom layer of slmgr.vbs relies on the VBScript script engine. Because this engine is too old and has security issues, Microsoft has downgraded it to an optional feature and no longer installs it by default. Microsoft will completely delete it from the system at some point in the future.

At this stage, IT administrators can still use slmgr.vbs to activate and manage the system, but in the new version of Windows 11, the VBS script engine may not be installed by default, so optional features need to be enabled before activation. When the engine is removed in the future, existing automated workflows will simply become ineffective.

Microsoft's recommendation is that IT administrators should use PowerShell with WMI, CIM and software licensing related interfaces to complete activation status query and automated management. Such tools will also record detailed logs to facilitate subsequent audits.

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