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How to delete the specific tag of Azure VM using PowerShell?
To delete the specific tag of the Azure VM, we can use the Delete property of the Operation parameter in the Update-AZTag command. In the below example, we have the below tags of the Azure VM TestMachine2k12.
Key Value --- ----- Patching_Day Sunday Owner Chirag
We need to delete the Patching_Day tag and for that, we also need its value. The below command will delete the specified tag from the Azure VM.
PS C:\> $vm = Get-AzVM -VMName TestMachine2k12
PS C:\> $tag = @{'Patching_Day'='Sunday'}
PS C:\> Update-AzTag -ResourceId $vm.Id -Tag $tag -Operation Delete -VerboseOnce we check the tag, it should be deleted.
Get-AzVM -VMName TestMachine2k12 | Select -ExpandProperty Tags Key Value --- ----- Owner Chirag
If you have the multiple tags to delete, provide key-value pair in the Tag hashtable. Like,
$tags = @{Patching_Day='Sunday'; Application='SecureTag'; Location='WestUS'}And suppose we have multiple VMS with the same tag key (for example Patching_Day) but the different values then we need to retrieve each value of the tag for each VM.
$vms = @('AZVM1','AZVM2','AZVM3')
foreach($vm in $vms){
$azvm = Get-AzVM -Name $vm
$aztag = $azvm | Select -ExpandProperty Tags
$Deletetag = @{'Patching_Day'= $aztag.Patching_Day}
Update-AzTag -ResourceID $azvm.ID -tag $deletetag -Operation Delete -Verbose
}The above code will delete the Patching_Day tag will its respective value on the VMs mentioned in the array.
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