o erro 0x35 é explicado no site da Serva
8.4.3 WDS OSs ServaPENet login ERROR:0x35:
Microsoft defines error 0x35 (53) as ERROR_BAD_NETPATH and is supposed to mean "The network path was not found" but in fact it really means a lot more things.
The error can be triggered in several ways: 1) Network connection unreliable. 2) WIA_WDS_SHARE bad configured. 3) WIA_WDS_SHARE running on a very busy/slow/unresponsive server. 4) NIC not working properly. 5) NIC driver not working properly (even if there are no errors). 6) Wrong login credentials. If your network and server are ok I would recommend checking the NIC and specially its driver.
There were reported 0x35 errors when installing Vista while the same client installed Windows 7/8 correctly. On all those cases: 1) Replacing Vista's \sources\Boot.wim with Windows 7/8 \sources\Boot.wim. 2) Erasing Vista’s SERVA directory. 3) Quit and restarting Serva. Solved the problem.
Nesses casos, sua melhor aposta é começar verificando o driver da rede mesmo que pareça funcionar ok