RE: V7R3 mapped drive issues from Win2008 R2 Server

I think he's making a generalization. I'm sure we've all heard the conversation that goes like "Authority failure? Just grant *PUBLIC *ALL".

I for one exhausted all reasonable options before disabling SMB2, and I'm sure you did the same.



-----Original Message-----
From: Buck Calabro [mailto:kc2hiz@xxxxxxxxx]
Sent: Friday, February 16, 2018 4:00 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!