Hey im running a smp server on mossycobble and have the folloing mods installed...
AdvMachine v2.00
BuildCraftTransport 2.2.2
BuildCraftFactory 2.2.2
BuildCraftEnergy 2.2.2
BuildCraftCore 2.2.2
BuildCraftBuilders 2.2.2
zAdditionalPipes 1.9
RedPowerWorld 2.0pr2b
RedPowerMachine 2.0pr2b
IC2 v1.15
ModLoaderMP Beta 1.8.1 Initialized
MinecraftForge V1.1.1 Initialized
RedPowerArray 2.0pr2b
RedPowerLogic 2.0pr2b
RedPowerLighting 2.0pr2b
RedPowerWiring 2.0pr2b
RedPowerCore 2.0pr2b
It Seem like a standard mod set up for industrial craft servers im getting no errors when i start the server and every thing seems to work fine when i log on to the server. except that i cannot access the gui for the rotory macerator i haven't tried any of the other machines out yet but any ideas on whats happining here.. i have restarted the server i have re dl'd the mod all to no avail i can provide any thing you need to trouble shoot this problem, i have all the jars and mod folders backed up on my comp.