problem with accessing a windows share

saulgudmon 1 Reputation point
2022-01-03T19:48:33.337+00:00

My problem has the same error described in this thread but it is behaving defferent:
https://social.technet.microsoft.com/Forums/windows/en-US/ab9340b5-846f-4b75-921d-8442c8540bb6/problem-with-accessing-a-windows-share?forum=w7itprosecurity

I am using a laptop and a PC (both Windows 10). I think the problem is on the PC but I'm not entirely sure

I have shared a folder on the PC and when accessing it from the laptop it gives the following error:

"\\servername\sharename is not accessible. You might not have permission to use this network resource. Contact the administrator of this server to find out if you have access permissions.

A device attached to the system is not functioning"

It gives that error only once. Every subsequent time I try to access the share it asks for me to enter network credentials.
My credentials don't work... Both devices are of course signed into the same Microsoft account with administrator privileges. The folders being shared are owned by and shared with that Microsoft account in the Advanced Sharing/Advanced Security menus with full access. File Sharing/Network Discovery are turned on for both computers on private networks ect..

The only way to see the error again is to unshare and reshare the shared folder on the PC, again it will show the error only once, and then send me into the credential loop.

The PC is able to access the share on the laptop no problem.

The PC has been accessible from the laptop before, I am not sure what happened

The thread above recommended trying the access the shares using ip (\xxx.xxx.x.xx\share) so i tried that and had the same problem but again it worked fine accessing shares on the laptop from the PC

Things I have tried:
• Reinstalling network adapter drivers on the PC

Windows for business Windows Client for IT Pros Networking Network connectivity and file sharing
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  1. saulgudmon 1 Reputation point
    2022-01-04T01:28:09.78+00:00
    • The laptop is running windows 10 pro, the pc windows 10 home. both are running the latest updates

    run winver

    Desktop:
    162064-image.png

    Laptop:
    162026-winver.png

    • secpol is available on the laptop (\thinktank), but not on the desktop (\glassbox)
    • I can try switching to password access instead of pin and will update this post when I do

  2. saulgudmon 1 Reputation point
    2022-01-04T02:01:21.983+00:00

    You could also try launching credential manager and enter the pc name and your id+pswd and see if that can connect to the other pc

    I have already verified that my correct Microsoft account information is stored in windows credential manager on both computers, although if that were the problem the incorrect information would be on //thinktank

    screenshot from thinktank:

    162091-credman.png

    the ip above is the local ip for \glassbox


  3. saulgudmon 1 Reputation point
    2022-01-04T02:18:53.187+00:00

    I changed my MS password to something that is short enough that I can actually type it and removed the pin from both computers
    I switched the username for \glassbox in windows credentials manager on \thinktank to Brodie and tried to connect from \thinktank. same error as before

    am I looking in the right place?

    every single event is called audit success
    event viewer on \glassbox after attempting to connect
    162028-image.png


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