Article ID: 187830 - View products that this article applies to.
This article was previously published under Q187830
This article has been archived. It is offered "as is" and will no longer be updated.
The TransmitFile() Win32 API call reads the file data directly from the file system cache and sends it out over the wire. However, during periods of stress, applications that use this API to transfer files across the network may see that the transfer is not as fast when there are less than 4 KB streams of data being transmitted.
Windows NT is reading 4 KB at a time as opposed to larger (and more efficient) units.
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 the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/152734/EN-US/ )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.
Article ID: 187830 - Last Review: February 23, 2014 - Revision: 3.2