Active Directory 2008 Clients Problems

Dear All,

I have a active directory on Windows server 2008 in hyper-v before some days everything was fine,

but now from some days when i register any windows xp sp3 client with domain it gives message "A duplicate name exists on network"

i have tried unregistered the client changing Net-bios name rejoin the domain same problem exists, i can access network resources but same comes up on every reboot.

Here is the ipconfig/all of my domain server.

C:\Users\Administrator>ipconfig/all

Windows IP Configuration

   Host Name . . . . . . . . . . . . : PDC
   Primary Dns Suffix  . . . . . . . : pcrwp.com
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : pcrwp.com

Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Virtual Machine Bus Network Ada
pter
   Physical Address. . . . . . . . . : 00-15-5D-75-02-00
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::4dee:9543:8c6a:919b%11(Preferred)
   IPv4 Address. . . . . . . . . . . : 196.xxx.xxx.x(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   IPv4 Address. . . . . . . . . . . : 196.xxx.xxx.xx(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 196.xxx.xxx.xx
   DHCPv6 IAID . . . . . . . . . . . : 234886493
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-79-C5-D4-00-15-5D-75-02-00

   DNS Servers . . . . . . . . . . . : ::1
                                       127.0.0.1
   NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.{70322E33-A5FE-4F84-9C1E-70B57F75E631}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter 6TO4 Adapter:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft 6to4 Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv6 Address. . . . . . . . . . . : 2002:c46f:7401::c46f:7401(Preferred)
   IPv6 Address. . . . . . . . . . . : 2002:c46f:7514::c46f:7514(Preferred)
   Default Gateway . . . . . . . . . : 2002:c058:6301::c058:6301
   DNS Servers . . . . . . . . . . . : ::1
                                       127.0.0.1
   NetBIOS over Tcpip. . . . . . . . : Disabled

Note: It is only happning with Windows XP sp 3 computers.

Please get me out from this problem.

All is Well