updating

Author: billmath

articles/active-directory/hybrid/how-to-connect-install-custom.md

@@ -82,7 +82,9 @@ After entering the forest name and clicking  **Add Directory**, a pop-up dialog
 ![Connect Directory](./media/how-to-connect-install-custom/connectdir02.png)
 
 #### Enterprise Admin and Domain Admin accounts not supported
-As of build 1.4.###.# it is no longer supported to use an Enterprise Admin or a Domain Admin account as the AD DS Connector account.  If you attempt to enter an account that is an enterprise admin or domain admin when specifying **use existing account**, you will receive an error.
+As of build 1.4.18.0 it is no longer supported to use an Enterprise Admin or a Domain Admin account as the AD DS Connector account.  If you attempt to enter an account that is an enterprise admin or domain admin when specifying **use existing account**, you will receive the following error:
+
+  **“Using  an Enterprise or Domain administrator account for your AD forest account is not allowed.  Let Azure AD Connect create the account for you or specify a synchronization account with the correct permissions.  <Learn More>”**
 
 ### Azure AD sign-in configuration
 This page allows you to review the UPN domains present in on-premises AD DS and which have been verified in Azure AD. This page also allows you to configure the attribute to use for the userPrincipalName.