Problem mapping Samba 3.6.7

Hello,

I just Upgrade my Solaris 10 to Solaris10/U10 147440-19 with the last patch for Samba 119757-25 (Samba 3.6.7).

But, I always received  the same problem when I try to map a Share on my windows XP workstation, if inside the smb.conf I put my workstation name in the "host allow =" instead of the IP Address.

[Trans_T]
        comment = Repertoire de transfert avec le host
        path = /webmax/webMAX_Test/transfert
        read only = No
        guest ok = Yes
        hosts allow = dge580xx.xxx.xx.xx    >> Doesn't Work (Can't map)

[Trans_T]
        comment = Repertoire de transfert avec le host
        path = /webmax/webMAX_Test/transfert