Can you ping it using Nework Utility? By Name or IP?
Some possible cures...
I am having the exact same problem.
I have 5 networked G5's that are on a Win 7 server. the server has a C and D drive both of which are identically set up. I can connect to C but not D. It is proving to be an unexplicable problem. I cannot find a solution because this is not flagged as a problem. I get the 'failed to mount drive' notification after I enter my name and pass so the Mac can see the drive but not connect to it.
I also have 2 iMac's on Intel chips and they can see and connect to both network drives.
alll Macs are on 10.5.8 updated fully.
Any help would be most appreciated as this is doing my head in.
On the Macs, please try basic generic troubleshooting: Repair the startup drive.
Follow one of these three methods:
On the PC, try disabling then re-enabling the shared drive/Folders/etc
I've been dealing with this and found the answer. So incredibly simple. I tried it and immediately was able to connect.
"10.5 tries to connect using the translated IP. The work-around is to connect directly to a share, adding the NetBIOS port number to the mix like so: