FTPSVC Orphans Connections, Uses Up Virtual Memory

ID: Q131241

The information in this article applies to:

Microsoft Windows NT Workstation version 3.51
Microsoft Windows NT Server version 3.51

SYMPTOMS

Symptoms may include dropping ftp users, "Not enough storage to process this command" error message, growing page file, and other signs of virtual memory exhaustion.

CAUSE

FTPSVC may experience internal difficulties and start "orphaning" ftp users. As the list of open resources expands, virtual memory is exhausted.

RESOLUTION

To correct this problem, install the latest U.S. Service Pack for Windows NT version 3.51.

Microsoft corrected this problem with the modified file, FTPSVC.DLL. This fix was tested on ftp.microsoft.com, which performs over 50,000 anonymous ftp logons per day.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem has been corrected in the latest U.S. Service Pack for Windows NT version 3.51. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Additional query words: prodnt

Keywords : kbnetwork ntnetserv nttcp kbbug3.51 kbfix3.51.sp2 NTSrvWkst
Version : 3.51
Platform : winnt
Issue type :