Get the count of deployments in each resource group in each subscription

Get-DeploymentCount.ps1

# use this script to get all the deployments in all subscriptions the current user context has access to - it can 
# be useful to find groups that are close to the 800 limit

param(
    [int]$deploymentCountWarningLevel = 700 # number of deployments where a warning should be written
)

Disable-AzContextAutosave -Verbose
$subs = Get-AzSubscription

foreach($sub in $subs){
    
    Select-AzSubscription -Subscription "$sub"

    $rgs = Get-AzResourceGroup 
    foreach($rg in $rgs){

        $deploymentCount = (Get-AzResourceGroupDeployment -ResourceGroupName $rg.ResourceGroupName).count
        if($deploymentCount -ge $deploymentCountWarningLevel){
            Write-Warning "$($rg.ResourceGroupName) contains: $deploymentCount deployments"
            Write-Warning $rg.ResourceId
        }
        Else{
            Write-Output "$($rg.ResourceGroupName): $deploymentCount"
        }
    }
}