I’ve just installed Windows NT build 1381 checked. When I’m trying to
access it over network from my comp with WinXP installed I get ann
error. NT itself hits the following system event: The server received an
incorrectly formatted request from (?). When run under WinDBG I can see
another message: ValidatesmbHeader: Flags2 = c853, valid bits = f847,
invalid bit(s) = 10. I can access this computer from another one with
WinNT. Installing SP6 checked does not solve the problem.
Did anyone encounter this problem? Does anyone know how to solve it?
Install Netmon and grab a packet trace when you try and connect to your NT build. I suspect that the NT box is trying a new SMB
operation that the NT box isn’t expecting. The flags2 field is used to specify options during SMB conversations. Every SMB packet
has one, so it’s kind of tough to nail down the exact problem without additional context.
MS is normally pretty good about remainging backward compatible with the SMB protocol. If the XP box can’t talk to your NT box the
‘new’ XP way, then it’s supposed to fall back to the ‘old’ NT way. Odds are there’s a registry tweak that will get you working
again, but will sacrifice some whiz-bang functionality or, more probably, security. You just need to figure out what the setting is.
ERX
P.S. Netmon can be a bitch to find in the MSDN subscription. Last time I looked, it was on one of the SMS disks.
-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com]On Behalf Of Alexey Logachyov
Sent: Wednesday, March 20, 2002 9:58 AM
To: NT Developers Interest List
Subject: [ntdev] Net problems…
I’ve just installed Windows NT build 1381 checked. When I’m trying to
access it over network from my comp with WinXP installed I get ann
error. NT itself hits the following system event: The server
received an
incorrectly formatted request from (?). When run under WinDBG I can see
another message: ValidatesmbHeader: Flags2 = c853, valid bits = f847,
invalid bit(s) = 10. I can access this computer from another one with
WinNT. Installing SP6 checked does not solve the problem.
Did anyone encounter this problem? Does anyone know how to solve it?
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