diff --git a/src/ResourceManager/Compute/Commands.Compute/Extension/AzureDiskEncryption/Scripts/AzureDiskEncryptionPreRequisiteSetup.ps1 b/src/ResourceManager/Compute/Commands.Compute/Extension/AzureDiskEncryption/Scripts/AzureDiskEncryptionPreRequisiteSetup.ps1
index 7e9d46e9e693..521a98ea035a 100644
--- a/src/ResourceManager/Compute/Commands.Compute/Extension/AzureDiskEncryption/Scripts/AzureDiskEncryptionPreRequisiteSetup.ps1
+++ b/src/ResourceManager/Compute/Commands.Compute/Extension/AzureDiskEncryption/Scripts/AzureDiskEncryptionPreRequisiteSetup.ps1
@@ -82,6 +82,10 @@ Param(
     }
     else
     {
+        if(-not $aadClientSecret)
+        {
+            $aadClientSecret = Read-Host -Prompt "Aad application ($aadAppName) was alerady created, input corresponding aadClientSecret and hit ENTER. It can be retrieved from https://manage.windowsazure.com portal" ;
+        }
         if(-not $aadClientSecret)
         {
             Write-Error "Aad application ($aadAppName) was alerady created. Re-run the script by supplying aadClientSecret parameter with corresponding secret from https://manage.windowsazure.com portal";