This article was previously published under Q184744
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A DHCP server running on an Alpha server causes Registry Quota to be leakedover time. This may result in degraded system performance or the followingSTOP error message:
Stop 0xc000021a e17c7fc8 00000000 00000000
This issue only occurs on Alpha versions of Windows NT 4.0 with DHCP serverinstalled. The problem is caused by allocating more memory than isdeallocate when saving registry keys. DHCP server periodically leaksRegistry Quota during normal operation, approximately .065 KB every 10minutes using PerfMon statistics. This problem is amplified by repeatedlystarting and stopping the DHCP service. The service was found to have 2leaks, each leaking 2 KB every time the service was started and stopped.
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.