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#1 2020-06-11 20:05:12

Legacy
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Registered: 2017-01-20
Posts: 334
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Rainbow Six 3 Gold FILE MISMATCH ERROR Fix! Multiplayer Servers

A Rainbow Six 3 PSA for everyone who had recent R6 3 map packs experiencing Coastline_T or R6RUSS mismatch errors when joining the Rainbow Six 3 servers

Find those files in your game's textures (.utx) folder and delete them. Thats it.

These files are outdated and will be coming in a new 2020 map pack later this summer after I release a couple more new maps. (This is why I hate downloading mods manually.)

AND AS ALWAYS SET CONNECTION SPEED TO T3 IN OPTIONS MENU so you can download things in game faster and not lag.

This same thing is what you do for any mismatch file actually. Usually they are often either in the textures folder or staticmeshes (.usx) folder but occasionally others. Especially if you tried to download single player mods then tried to play online with the same copy you modded. To get around that, make a clean second install of the game just for multiplayer.

Join us on Discord!
Post in #techsupport with any issues.
http://www.R6CHAT.com

(you can also sign up for Rainbow Six 3 notifications in #notifications-roles to find out about new content coming out, and when people are looking to play, and events etc.)



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Play with us sometime on Rainbow Six 3 Raven Shield, Athena Sword, Iron Wrath, Rogue Spear, SWAT 4 maps all in one. Long live the classics. R6 Siege doesn't hold a candle to the classic titles of R6. Sorry to say.

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#2 2025-12-01 14:10:16

Paul
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Re: Rainbow Six 3 Gold FILE MISMATCH ERROR Fix! Multiplayer Servers

I have a modded raven shield R6 Gold Steam edition. MY problem is that every time I go to join any server online I get the same error message
"Package R65FX_T version mismatch". I tried to delete this folder in the texture files and then game wont launch. I cannot go online with or without this darn file.

#3 2026-11-06 17:01:46

LegacyTGN
Administrator
Registered: 2022-03-14
Posts: 5

Re: Rainbow Six 3 Gold FILE MISMATCH ERROR Fix! Multiplayer Servers

Paul wrote:

I have a modded raven shield R6 Gold Steam edition. MY problem is that every time I go to join any server online I get the same error message
"Package R65FX_T version mismatch". I tried to delete this folder in the texture files and then game wont launch. I cannot go online with or without this darn file.

If anyone else gets that error it means that they installed a mod on their PC that is not compatible with the online server they are playing on.

We suggest making one copy of the game with single player mods and another with none so you can play online with the fresh copy. You just need to copy the Rainbow Six 3 folder and make a new short cut to that folder to launch it instead. Rename one to MP and another to SP if you want. Whatever is easier. The servers provide their own modded files automatically.

Last edited by LegacyTGN (2026-11-06 17:02:16)

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