Update certificate-connector-install.md

The user who is performing the login to Azure with the certificate connector must be a synchronized user from the local/on-premises AD

Author: ertansimsek

memdocs/intune/protect/certificate-connector-install.md

@@ -105,7 +105,7 @@ Use the following procedure to both configure a new connector and modify a previ
 
 5. On the *Prerequisites* page, the wizard runs several checks on the server before the configuration can begin. Review and resolve any errors or warnings before you continue.
 
-6. On the *Azure AD Sign In* page, select the environment that hosts your Azure Active Directory, and then select **Sign In**. You’ll then be asked to authenticate your access. This user account must have an Intune license assigned.
+6. On the *Azure AD Sign In* page, select the environment that hosts your Azure Active Directory, and then select **Sign In**. You’ll then be asked to authenticate your access. This user account must have an Intune license assigned and the user must be a synchronized account from your local Active Directory.
 
    Unless you use a government cloud, use the default of **Public Commercial Cloud** for *Environment*.