TF42056: Object Reference not set to an instance of an object


i have installed team foundation build on windows 2003 standard edition inside virtual machine running on virtual sever 2005 r2.

i have confirmed team build service running.

when connecting client machine , build started following error occurs:


tf42056: build service not connect team foundation server: object reference not set instance of object.

i have enabled trace logger @ level 4 (the default), , connection request logged no error written.

what causing , can more ideas?

sorry english :)

i mean, in build machine, have windows service called "build services", can check account service using run?? maybe account doesn't have permissions in tfs, it's idea, error generic.



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