This article was previously published under Q222515
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Windows NT Server, Enterprise Edition with the /3gb switch set will return zero for the amount of memory available on the computer. This API is usually used by setup programs to determine if the computer meets minimal requirements for installing the software. Because the API will return zero if the /3gb switch is used, the setup application will fail.
The API uses a signed long and returns zero when the value is to large.
Windows NT Server or Workstation 4.0
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
152734 how to obtain the latest windows nt 4.0 service pack
For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:
To resolve this problem, obtain the latest service pack for 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 the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows NT Server version 4.0, Terminal Server Edition Service Pack 6.
If the amount of memory is equal to or greater than 2 gigabytes (GB), Windows NT Server, Enterprise Edition returns 2 GB.