This article was previously published under Q189061
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When you repeatedly save and restore a registry key in Windows NT, theregistry hive may eventually become corrupted.
If you save a registry key to disk, and then later restore it over anotherkey where the key name length is different (that is, longer than theoriginal key name), it causes the actual allocated storage for the key togrow. If you repeat this process enough times, eventually the storageassigned to this key becomes so large that the registry check code declaresthe hive corrupted.
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.
Microsoft has confirmed this to be a problem in Windows NT version 3.1,3.5, and 3.51. We are researching this problem and will post newinformation here in the Microsoft Knowledge Base as it becomes available.