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A co-worker was given a new computer with Windows 7. He tried to recreate
the drive assignments to IFS folders he used on his Windows XP computer.
The drive assignment works. He is unable to access the contents. I do not
recall the exact error he received.
If your QPWDLVL is at 0 or 1, then that's most likely the problem with Windows 7 clients (Windows 2008 server also). Ran into it trying to get a BizTalk server to authenticate as well as desktops.
"Current OS/400 versions enable Windows NT challenge/response version 2 (NTLMv2) authentication. NTLMv2 passwords are case sensitive. Windows NT, 2000, XP (and above) clients use NTLMv2. With QPWDLVL 0 or 1, by default, passwords must be entered in all uppercase or all lower case if using NT, 2000, XP, or above to make a NetServer connection. However, NetServer can be configured to allow the use of LANMAN (Lan Manager) Authentication so long as the Windows Client is capable of also using LANMAN Authentication (every version of Windows prior to Windows 7 and Windows Server 2008 is capable of using LANMAN). Using LANMAN will allow the use of mixed case passwords when using QPWDLVL 0.
Note: Windows 7, Windows Server 2008, and above, can not use LANMAN authentication. This is a Windows restriction. As a result, if the IBM i is set to use QPWDLVL 0, then these clients must send an all upper case or all lower case password in able to connect to the IBM i NetServer."
That's from :
http://www-912.ibm.com/s_dir/slkbase.NSF/643d2723f2907f0b8625661300765a2a/6e5291390ae26d3986257aed0067a5c9?OpenDocument&ExpandSection=-1
Other docs.
http://www-01.ibm.com/support/docview.wss?uid=nas1ec3c802b0543ecf08625790c0041f215
and
http://www-912.ibm.com/s_dir/slkbase.NSF/DocNumber/30795328
I'm sitting with the same problem and trying to assess what could go wrong before I change the setting.
It's easy to implement but it's understanding all the effects that is the difficult part. Also, the back out is a pain. You have to restore security and do an IPL.
I'm figuring that I'm going to have to force a password change on Windows for all iSeries users that have Windows 7. In my site we have software that when the password expires on a Windows log in, it syncs a password change to Mainframe, iSeries and Linux servers. If I don't, the Windows 7 machines will still be sending a mixed case password and after changing the QPWDLVL to 2, the iSeries will be able to understand the mixed case but will be comparing to a password that is in all upper and all lower (what was stored at QPWDLVL 0).
I'm thinking connections like FTPs from non-Windows 7 sources like the Mainframe or other iSeries LPARs with QPWDLVL at 0 or 1 are cool. I don't think things like Domino or WebSphere (or MQ) will be a problem and I'm still accessing things like DDM connections..
Mike
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