S>C 0x4A SID_OPTIONALWORK

Transport Layer: Transmission Control Protocol (TCP)
Application Layer: Battle.net v1 TCP Messages (SID)
Message Id: 0x4A
Message Name: SID_OPTIONALWORK
Direction: Server to Client
Used By:
Starcraft OriginalStarcraft BroodwarDiablo IIDiablo II Lord of DestructionWarcraft III Reign of ChaosWarcraft III The Frozen Throne
Message Format:
(does not include protocol header) 
(STRING) ExtraWork MPQ Filename

Remarks

Battle.net requests optional work from the Client using this message. See ExtraWork document for more details.

Using C>S 0x33 SID_GETFILETIME with request ID 0x80000005, the client should download this file and call the ExtraWork function inside of it. Generally, this message is used for the optional ExtraWork DLL.

The client will only execute this entirely if the registry key HKCU\Software\Battle.net\Optimize\SysDesc [REG_UINT32] is set to 1.

🔖diablo-iidiablo-ii-lord-of-destructionstarcraftstarcraft-broodwarwarcraft-iii-reign-of-chaoswarcraft-iii-the-frozen-throne
| Edited: RealityRipple

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