The Old New Thing

Does Windows have a limit of 2000 threads per process?

July 29, 2005 Jul 29, 2005 07/29/05

Raymond Chen

Often I see people asking why they can't create more than around 2000 threads in a process. The reason is not that there is any particular limit inherent in Windows. Rather, the programmer failed to take into account the amount of address space each thread uses. A thread consists of some memory in kernel mode (kernel stacks and object ...