QMThreadNo

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Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

HKLM\SOFTWARE\Microsoft\MSMQ\Parameters

Data type Range Default value

REG_DWORD

0x1–0x10 threads

Windows Server 2003: (Number of processors x 5) + 3 Windows XP Professional: Number of processors x 3

Description

Specifies the number of threads created in the Message Queuing (also known as MSMQ) process (Mqsvc.exe) to handle messages.

Increasing the value of this entry can improve the performance of Message Queuing, but too many threads can overload the processor.

This entry does not exist in the registry by default. You can add it by using the registry editor Regedit.exe.