MU Online Help

MU Online server setup problems? Find configuration help and troubleshooting from the community here.

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About MU Online Help

Troubleshooting for MU Online server owners across Season 6, Season 6 Episode 3, Season 8, EP3, 1.00.16, Season 3, Season 12 and 8.3 - connection errors, database problems, client crashes and configuration mistakes.

Most problems posted here come down to a handful of causes: the client pointing at the wrong address, a database the server cannot reach, a missing runtime library, or a port that was never opened. Search before posting - the same MU Online errors come up often and usually already have an answer.

MU Online server files, sources and repacks are organised by season, with Season 6 and Season 4 recurring most, alongside Season 6 Episode 3 and Seasons 1, 2, 3, 5, 8, 9 and 12, plus numbered builds 0.97d, 1.00.08, 1.00.16 and 1.00.90. Named packages include zTeam, IGCN, MuEmu, X-Team, SCFMT, Titan Tech, CzF, MMT, Ex901 and eX802; MuCore, MuWeb, MuMaker and WebEngine recur too, as do webshop, launcher, template and skin topics. Setup runs on Windows with Microsoft SQL Server 2000, 2008 or 2012, starting GameServer, ConnectServer and GS_CS. Client IP is changed with the hex editors HxD or XVI32, and a Movereq.bmd file placed in client\data\local fixes movement.

Seasons covered here Season 6Season 6 Episode 3Season 8EP31.00.16Season 3Season 128.3

Common questions

How do I move a character with MU Online GM commands?
MU Online GameServer takes /move followed by a character name, a map number and x and y coordinates, so /move Janka 6 60 60 places that character on map 6 at 60,60. The exact command set differs between file sets - Season 3 and Season 6 builds are not identical - but /move is common to them, and the map numbers come from the server's own map list rather than from the client.
How do I add a map to the MU Online teleport list?
Both movereq.bmd and movereq.txt are edited client side, in the Data\local folder. Copy an existing map entry and change its id, gates and coordinates to point at the new map, keeping the two files in step. The list the client offers is built from them, not from the server, so a map missing there cannot be reached even when GameServer already knows about it.
How do I add Box of Kundun to a MU Online shop or drop table?
Shop and drop entries in MU Online are written by numeric code, not by name. In shop.txt a line of item type, group and index followed by level and option columns defines the item, so 14 11 8 255 0 0 0 is Box of Kundun+1 and indexes 9 to 12 give +2 through +5. Drop tables use the same codes, so the item's numbers have to be looked up before either file can be edited.
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