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Version: 4.0

Test-ADTMSUpdates

SYNOPSIS​

Test whether a Microsoft Windows update is installed.

SYNTAX​

Test-ADTMSUpdates [-KbNumber] <String> [<CommonParameters>]

DESCRIPTION​

This function checks if a specified Microsoft Windows update, identified by its KB number, is installed on the local machine. It first attempts to find the update using the Get-HotFix cmdlet and, if unsuccessful, uses a COM object to search the update history.

EXAMPLES​

EXAMPLE 1​

Test-ADTMSUpdates -KBNumber 'KB2549864'

Checks if the Microsoft Update 'KB2549864' is installed and returns true or false.

PARAMETERS​

-KbNumber​

KBNumber of the update.

Type: String
Parameter Sets: (All)
Aliases:

Required: True
Position: 1
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

CommonParameters​

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

INPUTS​

None​

You cannot pipe objects to this function.​

OUTPUTS​

System.Boolean​

Returns $true if the update is installed, otherwise returns $false.​

NOTES​

An active ADT session is NOT required to use this function.

Tags: psadt
Website: https://psappdeploytoolkit.com
Copyright: (C) 2025 PSAppDeployToolkit Team (Sean Lillis, Dan Cunningham, Muhammad Mashwani, Mitch Richters, Dan Gough).
License: https://opensource.org/license/lgpl-3-0

https://psappdeploytoolkit.com/docs/reference/functions/Test-ADTMSUpdates