fix

samples/manage/azure-sql-db-managed-instance/prepare-subnet/prepareSubnet.ps1

@@ -14,7 +14,7 @@ function Ensure-Login ()
         Write-Host "Loging in ..."
         If((Login-AzureRmAccount -ErrorAction SilentlyContinue -ErrorVariable Errors) -eq $null)
         {
-            Write-Host ("Login failed: {0}" -f $Errors.Message) -ForegroundColor Red
+            Write-Host ("Login failed: {0}" -f $Errors[0].Exception.Message) -ForegroundColor Red
             Break
         }
     }
@@ -36,7 +36,7 @@ function Select-SubscriptionId {
         Catch
         {
             Write-Host "Subscription selection failed: $_" -ForegroundColor Red
-            Exit
+            Break
         }
     }
     Write-Host "Subscription selected." -ForegroundColor Green
@@ -57,7 +57,7 @@ function Load-VirtualNetwork {
         else
         {
             Write-Host "Virtual network not found." -ForegroundColor Red
-            Exit
+            Break
         }
 }
 
@@ -78,7 +78,7 @@ function Load-VirtualNetworkSubnet {
         else
         {
             Write-Host "Subnet not found." -ForegroundColor Red
-            Exit
+            Break
         }
 }
 
@@ -94,7 +94,7 @@ function Verify-Subnet {
         Else
         {
             Write-Host "Failed Validation - Minimum supported subnet size is /28." -ForegroundColor Red
-            Exit
+            Break
         }
         If(
             ($subnet.IpConfigurations.Count -eq 0) -and
@@ -109,7 +109,7 @@ function Verify-Subnet {
         Else
         {
             Write-Host "Failed Validation - Subnet is already in use." -ForegroundColor Red
-            Exit
+            Break
         }
 }