To allow easy synchronization of Azure AD Connect from user and group properties, you must identify your Azure AD Connect server.
Use the Easy365Manager settings form to configure the name of your Azure AD Connect server. Make sure you use the hostname or FQDN of the server.
The use of IP address is not allowed due to restrictions in WinRM connectivity.
If you use an IP address, you’ll be met with the following error message:

To solve this issue, type the hostname or FQDN of your Azure AD Connect server instead.