Error Code 0x8007232B … DNS name does not exist

Hi Experts,
While activating OS I received an error message. Presently my machine is running with Windows Vista Enterprise x64. The error message says “Error Code 0x8007232B … DNS name does not exist”. I was modifying WIM images through network.
The error message is given below.
If you have any idea about it please help me.
Thanks in advance.

Error Details
The following information was found for this error:
Code:
0x8007232B
Description:
DNS name does not exist.
OK
