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Packet Information


Message ID:0x51
  
Message Name:SID_AUTH_CHECK
  
Direction:Server -> Client (Received)
  
Used By:Starcraft Broodwar, Diablo II, Warcraft III: The Frozen Throne, Starcraft, Diablo, Warcraft III
  
Format:(DWORD) Result
(STRING) Additional Information
  
Remarks:Reports success/failure on version & CD Key check.

Result:
0x000: Passed challenge
0x100: Old game version (Additional info field supplies patch MPQ filename)
0x101: Invalid version
0x102: Game version must be downgraded
(Additional info field supplies patch MPQ filename)
0x0NN: (where NN is the version code supplied in SID_AUTH_INFO): Invalid version code (note that 0x100 is not set in this case).
0x200: Invalid CD key *
0x201: CD key in use (Additional info field supplies name of user)
0x202: Banned key
0x203: Wrong product
The last 4 codes also apply to the second CDKey, as indicated by a bitwise combination with 0x010.

If a patch file cannot be found, additional info is set to 'non-existent'. If either the executable size/date or the version code is wrong, the server will typically return a failure status.

* If you receive this status, official Battle.net servers ban you for 24 hours (as of 06/15/2011). It used to be 2 weeks, but they changed recently.

More:
While doing a little research on how Battle.net autoupdates it's clients, I found that it (STAR, anyway) does not use the provisions of the SID_AUTH login system to tell clients which update file to download. Instead, it sends a SID_REPORTVERSION (from the previous logon system) containing the equivalent error code and the name of the patch file to download. This seems strange, and makes me think that the part of Battle.net responsible for updating clients is isolated from the part responsible for processing logon requests. If this is the case, it makes sense that that system was never updated, since it must still support legacy clients. In addition, this would explain why most Blizzard clients retain obsolete packet processing code.
  
Related:[0x51] SID_AUTH_CHECK (C->S)

User Comments


For detailed questions and discussion, visit the Battle.net Research Forum

KrzaQ
Apr 28, 2010
10:13 AM

0x211 - LoD CD key is used by: string
0x101 is now being sent after a CD key has been registered on battle.net website.

Jailout2000
Jun 30, 2010
06:04 AM

I registered my Starcraft on the Battle.net website and the server doesn't send me 0x101 when I try to use my key. Do you have any proof?

Heinermann
Sep 10, 2010
05:49 PM

I can still use my old key after registering it. Just both keys cannot be logged in at the same time.

Kyro
Sep 10, 2010
06:13 PM

Interesting; so if two separate CD keys are registered to a Battle.net 2.0 account, the result is that only one CD key can be logged on at a time-- meaning the Battle.net account can only be logged in one at a time?

Sixen
Sep 19, 2010
02:49 AM

No, Kryo I think you misunderstood that. If I register STAR on my Battle.net 2.0 account, I cannot login with my 13-digit STAR CDKey and my 26-digit STAR key at the same time. They're the same CDKey, they're just in two different formats.

This also means that any restrictions (mute, banned, jailed, etc) will be on the new Game Key.

I like to refer to the physical keys as CDKeys and the new digital keys as Game Keys.

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