No scan file saving from Windows to Linux

[sdnian 6]

I've a Linux Server, OS: SLES 11 SP4 + OES 2005 SP1. I installed ESET File Security for Linux Server 4.5.11 and setting PAC to scan /

Everything is okay. I try to download eicar.com from Internet to save any folders. It can be detected and deleted by EFS. But if I copy eicar.com from Windows to this server volume (It's Novell NSS volume). It can't be detected.

If I miss something? How to resolve it?