.

eslzArm/prerequisites/deployPrerequisites.json

@@ -153,6 +153,9 @@
                         $eslzRootName
                     )
 
+                    #One initial call to register the provider for good measure
+                    Invoke-AzRestMethod -Method POST -Uri \"https://management.azure.com/providers/Microsoft.Management/managementGroups/$eslzRootName/providers/Microsoft.Network/register?api-version=2021-04-01\"
+
                     #Sleep for XX minutes to wait for Management Groups to load to cache before assignments
                     Start-Sleep -Duration (New-TimeSpan -Minutes 10)
 
@@ -163,7 +166,7 @@
                       $result = Invoke-AzRestMethod -Method POST -Uri \"https://management.azure.com/providers/Microsoft.Management/managementGroups/$eslzRootName/providers/Microsoft.Network/register?api-version=2021-04-01\"
                       $count++
                       Start-Sleep -Seconds 30
-                      Write-Output 'Status Code: ' $result.StatusCode ' Count: ' $count
+                      #Write-Output 'Status Code: ' $result.StatusCode ' Count: ' $count
                     } while ($result.StatusCode -ne 200 -and $count -lt 10)
                 "
               },