Not able to map network drive by hostname but able to map with ip address <Server A> is act as an application server and file server. We use it as normal but it suddenly unable to resolve by hostname from other machines. All servers and workstations are not able to map the network drive under <Server A> with hostname, but all servers and workstation still able to map the network drive with IP address. When we try to connect the network drive with hostname it prompt with the error shown that there has authorizcation error. We tried and find out some points as below for your reference: Able to ping and resolve the hostname via all other servers and workstations.Able to access <Server A> with hostname by terminal serviceAble to map network drive with IP addressAble to map <Server A> itself with hostname

This is the forum for Lync Server questions. I think you want to try this forum: http://social.technet.microsoft.com/Forums/en-US/winserverPN/threads Thank you. Please Vote As Helpful and/or Mark As Answer if this post helped you.

Hi, I have moved your post on the window server forum, you can get much more help.

Hi, It seems to be a Kereros authentication issue. 1. Check if there are multiple machines with the same hostname in your domain. 2. Check if the SPN with the hostname is registered to another computer. 3. Check if the IP address is correct of the server you pinged with the hostname. Is there any error message related this appears in your event viewer? Description of Common Kerberos-Related Errors in Windows 2000 http://support.microsoft.com/kb/230476 Regards, Cicely

Hi, It seems to be a Kereros authentication issue. 1. Check if there are multiple machines with the same hostname in your domain. 2. Check if the SPN with the hostname is registered to another computer. 3. Check if the IP address is correct of the server you pinged with the hostname. Is there any error message related this appears in your event viewer? Description of Common Kerberos-Related Errors in Windows 2000 http://support.microsoft.com/kb/230476 Regards, Cicely