Microsoft DOS ifshlp.sys command

Updated: 11/10/2017 by Computer Hope

About ifshelp.sys

Ifshlp.sys is the 32-bit Installable File System Manager. The services provided by this driver are used to assist in trapping real-mode file system and network-related APIs.


The ifshlp.sys file is an external file not associated with the

All Versions of MS-DOS
Windows 95
Windows 98
Windows NT

Ifshlp.sys syntax

The below line must be put into the config.sys


Ifshlp.sys errors

When booting up the computer you get:

ERROR 3649: To load NetBEUI, the NDISHLP.SYS driver must be listed
in the [Network Drivers] section of the SYSTEM.INI file.

Ensure first that you are loading the IFSHLP in your config.sys file. If the file is being loaded in the config.sys then ensure that in your System.ini file that you have NDISHLP.SYS listed in the Transport= line in the [Network Drives] section.