Our IT folks just shared this info.

Win7, Win8, Win10, WinServer 2012 all default to SMB 3, not seeing any issues here.
It's only from this one WinServer 2008, which defaults to SMB2.

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Buck Calabro
Sent: Friday, February 16, 2018 5:00 PM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: V7R3 mapped drive issues from Win2008 R2 Server

On 2/16/2018 4:09 PM, Rob Berendt wrote:
The first thing which always comes to mind is that 7.3 uses SMB2 while

I had the same thought.
https://archive.midrange.com/midrange-l/201706/msg00547.html
https://archive.midrange.com/midrange-l/201610/msg00073.html

If you get recent fixes on 7.3 and your Windows machines it's not such
an issue.

How does one know for sure, in advance? The MTU /still/ does not mention SMB2 issues vis a vis Windows File Explorer. I just checked it.
https://www.ibm.com/support/knowledgecenter/ko/ssw_ibm_i_73/rzaq9/rzaq9.pdf

But the knee jerk reaction many people did was open their 7.3 machines
to all sorts of security holes by disabling SMB2 and going back to SMB1.
https://www-01.ibm.com/support/docview.wss?uid=nas8N1011878
and others...

SMB2 to Win7 completely killed a mission critical application.
What choice did I have?
Tell the boss that I'd rewrite payment processing ASAP?

--
--buck

http://wiki.midrange.com
Your updates make it better!

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