i'm not sure but the problem could also be with the password set in netset.tcl. i'm not sure that's the error you get if this is the case, but since this IS the netbots.tcl section of the forum i thought i'd say this anyway =)
You do not need the share or transfer modules to link eggdrop.
I have a bot running with only the console and notes module, that work perfectly fine without.
The share module is only needed, if you wish to share the userfiles between bots. The transfer module, the same reason, but share mod needs it, as it contains the code to actualy transfer the file.
The problem was that the port that the bots was using was used by someone else...the bot connected with annother port..... That is fixed now, and all the bots are linked...