SYMPTOMS
The system attendant (Mad.exe) may stop responding when DSProxy encounters an exception with the following call stack:
ChildEBP RetAddr Args to Child
12f7ff0c 60ab384c 12f7ff64 11b6b2a8 11b66ce8 DSPROXY!std__list<_Packet
std__allocator<_Packet *> >__erase+0x2e
12f7ff80 7800a3c0 ffffffe2 0000000f 0000000f DSPROXY!WorkBody+0x39c
12f7ffb4 77e8758a 11b55738 0000000f 0000000f MSVCRT!beginthreadex+0xca
12f7ffec 00000000 7800a361 11b55738 00000000 KERNEL32!BaseThreadStart+0x52
RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Microsoft Exchange 2000 Server service pack that contains this hotfix.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:
NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
The English version of this fix should have the following file attributes or later:
Component: DSProxy
NOTE: Because of file dependencies, this update requires Microsoft Exchange 2000 Server Service Pack 1.