Merhaba,

You receive a "System error 67 has occurred. The network name cannot be found" error message in Windows Server 2003
http://support.microsoft.com/kb/843156

RESOLUTION
To resolve this issue use either of the following methods.
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Method 1
Update the network adaptor driver on the domain controller.

Note Make sure that you use a network adaptor driver that works with the operating system that you are using.
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Method 2
If Network Address Translator (NAT) is installed but is not configured correctly, disable the Internet Protocol (IP) NAT driver, and then restart the computer. To do this, follow these steps: 1. Click Start, right-click My Computer, and then click Properties.
2. On the Hardware tab, click Device Manager.
3. On the View menu, click Show hidden devices.
4. Expand Non-Plug and Play Drivers, right-click IP Network Address Translator, and then click Disable.
5. Click Yes two times to restart the computer.

Emre.