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The Windows NT 4.0 Setup program may not recognize some partitions created by utilities on Compaq and Dell OEM computers. Therefore, the Windows NT 4.0 Setup program makes the second partition the bootable partition. However, Setupdd.sys from Windows NT 4.0 Service Pack 4 (SP4) writes a boot signature to the partition table that NTLDR from Windows NT 4.0 Service Pack 3 (SP3) does not recognize.
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:
152734how 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 Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition.
This problem was first corrected in Windows NT Server 4.0 Service Pack 6 and Windows NT Server 4.0, Terminal Server Edition Service Pack 6.