This article was previously published under Q169904
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When you copy large amounts of data simultaneously to and from an AS400using the SNA Server Shared Folders Gateway installable file system, it ispossible to get a trap 0x1E in Ntoskrnl.exe.
The SNA Server installable file system driver (SFFSD.SYS) is notinitializing the FastIoDispatch pointer.
Microsoft has confirmed this to be a problem in SNA Server 3.0 and 3.0Service Pack 1 (SP1). This problem was corrected in the latest SNAServer version 3.0 U.S. Service Pack. For information on obtaining thisService Pack, query on the following word in the Microsoft Knowledge Base(without the spaces):
S E R V P A C K
This problem has only been seen during a heavy stress test within Microsoftwhile copying the equivalent of 3 GB of data and over 40,000 files.