Ldap over SSL Failing to bind

Hie all
I am trying to setup Ldap over SSL using the Windows Ldp utility on a Windows 2008 R2 domain controller which is also the Enterprise root CA. When I try to bind securely using the IP address(192.168.0.2) I get the following error:"The certificate received from the remote server does not contain the expected name. It is therefore not possible to determine whether we are connecting to the correct server. The server name we were expecting is 192.168.0.2. The SSL connection request has failed. The attached data contains the server certificate." However when I use the computers full name MTC-DC.domainname I bind securely. I am a newbie to Microsoft Certificates and all.
Any help please