Windows 8.1 ultrabook has issues connecting to file shares on domain

We have a windows 2008 R2 server and mostly windows 7 professional desktops.These desktops are a mix of wired and wireless, and most also use a VPN connection out of the office through a sonicwall to access the file shares. These systems for the most part are problem free.

We have 2 Lenovo Yoga ultrabooks with Windows 8.1. They are always wirelessly connected. They both use VPN as well to connect to the same drives as the windows 7 machines when on job sites. Yoga 1 - when in the office, the user is prompted for credentials when she tries to access the shares the first time. She puts in u/p and can then see them.  Although it looks like Yoga 1 is on the domain - it is in the active directory, it is joined - I tried to rejoin it and I received an error of unknown computer. I didn't go domain to workgroup back to domain - I just went far enough in the prompts to see if it would recognize the computer and no go.  So that's problem one and am interested if there are 8.1 issues with 2008 r2. the other yoga has some if not all the same issues but I never really hear about them.

problem 2 - And now neither Yoga can access the shared drives through the VPN. They get "An error occurred while reconnecting <drive letter> to <Share path>. Microsoft Windows network  the network path was not found. The connection has not been restored. "The VPN appears to connect. A network engineer wrote a small script to access the drives for all the users since they couldn't connect to the drives when they brought up the VPN. I don't know if that is causing an issue now or not. I haven't hear any of the win7 having any issues with the VPN or shares.  

Script (< > substitutes for data):
@echo off
ping rm-s001 -n 15
net use z: \\<rserver>\principals /user:<username> <Password>
net use z: /delete

I'd like to get the first problem first. then move to second.
jfmclaughlAsked:
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JohnBusiness Consultant (Owner)Commented:
Those Lenovo Yoga models say they are Windows 8.1 with no qualifier. That means they are Windows 8.1 HOME and not Pro. That is probably the reason for the issue. Can you please check if the machines are HOME or Pro?
McKnifeCommented:
If it was domain joined, it cannot be "home". Even if it were "home", share access is possible, no matter what edition. So editions are out of this problem.

Please quote the error message when trying to join it "unknown computer" is not the error.
"I just went far enough in the prompts to see if it would recognize the computer and no go" - the DC is not "recognizing" anyone. The client asks the DC to affiliate to the domain. The DC simply says "ok, we'll do this if you can provide correct domain user credentials"
"am interested if there are 8.1 issues with 2008 r2" - no issues.
jfmclaughlAuthor Commented:
It's definitely pro. I'll post the exact error if that helps.
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McKnifeCommented:
Yes, please.
jfmclaughlAuthor Commented:
I rejoined the windows 8 machine to the domain (took it off, put it on) and that seemed to do the trick. I'll close  this now.

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Seth SimmonsSr. Systems AdministratorCommented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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