Public/Get-MsftTenantId.ps1
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<#
.SYNOPSIS Resolves the tenant ID from a tenant name. .DESCRIPTION This cmdlet resolves the tenant ID of an Azure AD tenant from a tenant name. .PARAMETER TenantName The tenant name to resolve. .EXAMPLE PS C:\> Get-MsftTenantId -TenantName "example.com" #> function Get-MsftTenantId { param ( [string]$TenantName ) $metadataUrl = "https://login.microsoftonline.com/$TenantName/.well-known/openid-configuration" try { $response = Invoke-RestMethod -Uri $metadataUrl -Method Get $tenantId = ($response.issuer | Select-String -Pattern "[0-9a-fA-F-]{36}").Matches.Value return $tenantId } catch { Write-Error "Failed to resolve tenant ID from tenant name: $_" return $null } } |