Win7 Computer Prevented From Mapping Win10 Disk

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  1. Posts : 30
    Win10 Pro 22H2
       #1

    Win7 Computer Prevented From Mapping Win10 Disk


    I was lent a Win10 computer to try out. I have my Win7 computer on the LAN with it. The Win10 computer can map and access the Win7 computer's disk. But when I try to map the Win10 C-Disk to the Win7 computer,it sees it on the LAN but when try to access it I get an error message "you do not have permission to access the disk". The Win10 C-Disk has "Share this folder" checked. In Share Permissions -> user names, it has "Everyone". In Permissions for Everyone, Full Control, Change, Read are all checked. In Password Protection, it shows "People without user account and password for this computer can access folders shared". What else do I need do to make the Win10 disk accessible?
      My Computer


  2. Posts : 42,889
    Win 10 Pro (22H2) (2nd PC is 22H2)
       #2

    Hi, sharing is frustrating and tedious and fraught with difficulty in Win 10. When it is set up correctly and working, it's reliable in my experience. But setting it up is, alas, a multi-step task.

    Please review Option 1 carefully in this tutorial from the huge searchable Tutorials section:
    Share Files and Folders Over a Network in Windows 10
      My Computers


  3. Posts : 2,182
    Windows 10 Pro 64-bit v22H2
       #3

    You shouldn't be sharing the C disk. It is totally unnecessary. Just share what is necessary and nothing else.

    BTW, I have no problem sharing folders between any of my computers with Windows 7, 10, or 11.
      My Computers


  4. Posts : 16,895
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #4

    Perhaps your comment about passwords meant this - Turn On Password Protected Sharing - TenForumsTutorials
    - It sounds like your Win7 does not have this turned on.
    - It sounds like the Win10 does have it turned on.
    I bring the subject up because I do not know anywhere in Windows 10 that uses the words, "People without user account and password for this computer can access folders shared", so I am not certain that you have checked Password protected sharing.

    I agree with MrEd about not sharing the entire OS disk.


    Denis
      My Computer


  5. Posts : 30
    Win10 Pro 22H2
    Thread Starter
       #5

    I tried sharing the C-disk simply because I did not have anything else set up and it was the simplest way to test sharing. In "real life", I share at the folder(s) level(s), not the whole disk. As for not knowing where it says "People without user account and password for this computer can access folders shared", see attached W10 screenshot.

    I also looked at Sharing Tutorial. Following the chain it says that SMB1 is required to share with Win7 computers. But it says that SMB1 should NOT be used as it (1) exposes the computer to ransomware attacks (2) will cause a 10+ minute delay in browsing the LAN for connections.

    I stopped reading at this point for any more "gotchas". It is clear that it is neither safe nor practical to share Win 10 with existing Win7 computers. Which was integral to my trying out Win 10 for future use.
    Attached Thumbnails Attached Thumbnails Win7 Computer Prevented From Mapping Win10 Disk-sharing-pic-1a.jpg  
    Last edited by NewW10user; 15 May 2023 at 22:48.
      My Computer


  6. Posts : 16,895
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #6

    Does your Win10 have Password protected sharing turned on or not?

    I do not know where it says that SMB1 is required for sharing with Win7. It is not in the tutorial I linked you to. It is not correct. SMB1 is only required for sharing with
    - pre-Vista Windows versions, or
    - non-Windows computers, or
    - a network drive connected to the router that only has SMB1 capabilities.

    I spent well over a year sharing between Win10 & Win7,

    My full advice about networking is in
    A consolidated network setup checklist for Windows 10 and 11 - my post #4 - TenForums


    Best of luck,
    Denis
    Last edited by Try3; 15 May 2023 at 23:50.
      My Computer


  7. Posts : 2,182
    Windows 10 Pro 64-bit v22H2
       #7

    NewW10user said:
    I tried sharing the C-disk simply because I did not have anything else set up and it was the simplest way to test sharing. In "real life", I share at the folder(s) level(s), not the whole disk. As for not knowing where it says "People without user account and password for this computer can access folders shared", see attached W10 screenshot.

    I also looked at Sharing Tutorial. Following the chain it says that SMB1 is required to share with Win7 computers. But it says that SMB1 should NOT be used as it (1) exposes the computer to ransomware attacks (2) will cause a 10+ minute delay in browsing the LAN for connections.

    I stopped reading at this point for any more "gotchas". It is clear that it is neither safe nor practical to share Win 10 with existing Win7 computers. Which was integral to my trying out Win 10 for future use.
    You can do what you want but I think you are being a little bit paranoid. If you are doing the sharing on a home network then you should be OK. A lot of people are doing this and I have yet to hear of anybody having a problem.

    I share files between all my computers. They are a mix of Windows XP, 7, 10, and 11.

    BTW, I had problems with sharing for a while. I finally realized the problem was that Workgroup was not the same for all computers. Once I made sure that Workgroup name was the same for all the computers I could share among all computers again. Note to keep things simple I use the Workgroup name WORKGROUP for all the computers.

    You just have to be aware of the security risks and act accordingly. I know that Windows XP is a security risk and normally only go to the Internet for updates. Otherwise, I only bring in files and programs through shares on another computer.

    Here is a screenshot taken on computer Thoroughbred which has Windows XP Pro. You can see all the other computers in the network. After I took the screenshot I copied it to a shared folder on this computer which has Windows 11 Pro.

    Win7 Computer Prevented From Mapping Win10 Disk-workgroup-phoenix-7.jpg

    Note:
    Lightning is dual-boot of Windows 7 Home & Windows 10 Pro
    Phoenix is dual-boot of Windows 7 Pro & Windows 10 Home

    When you share a folder(s):

    The default permission for Everyone is Read-Only. However, that is only the default. If you unselect that everyone has no access.

    Win7 Computer Prevented From Mapping Win10 Disk-permissions-xshare-everyone-.jpg

    For many of my computers I have a common Username and Password. For the shares that I want to share with that Username I select Full Control permission for that folder. That allows me to read and write to that folder from any computer that has that Username.

    Win7 Computer Prevented From Mapping Win10 Disk-permissions-xshare-mred-.jpg

    For my computers that don't have the common Username I provide a special folder. In the example below I call it Temp. For Everyone this folder has permissions set to Full Control. This allows Everyone to read and write to it.

    Win7 Computer Prevented From Mapping Win10 Disk-permissions-temp-everyone-.jpg
      My Computers


  8. Posts : 30
    Win10 Pro 22H2
    Thread Starter
       #8

    I do not know where it says that SMB1 is required for sharing with Win7. It is not in the tutorial I linked you to. It is not correct
    >> See the following:
    Share Files and Folders Over a Network in Windows 10
    Enable SMB Direct on each computer you want to share between. If you have an older USB network drive or connecting to a previous version of Windows (ex: "Windows 7") than Windows 10, then you will need to enable SMB1. (see screenshot below)
    It is recommended you do not enable SMB1 unless absolutely necessary for security reasons.

    If you enable SMB1, it will also enable and have the Computer Browser service to run which could potentially cause 10 minutes + delay in discovering a PC newly connected to the network.
    Enable or Disable SMB1 File Sharing Protocol in Windows
    For security reasons, Microsoft recommends that you disable SMB1 immediately. Ransomware targets the vulnerabilities of the SMB service of the Windows operating system to propagate. To defend yourself against WannaCrypt ransomware it is imperative that you disable SMB1 as well as install the patches released by Microsoft.

    The default permission for Everyone is Read-Only. However, that is only the default. If you unselect that everyone has no access.
    >>
    I now can access the Win 10 computer; it seems that trying to access the whole C-disk was blocked.
    I set permissions to Everyone full control but I have read-only access to folders. I cannot save a file to a folder on Win10 computer.

    I had problems with sharing for a while. I finally realized the problem was that Workgroup was not the same for all computers.
    my Win7 computers' active network say "home - Work network". The Win10 computer says Network "Private Network". Does that Win10 name have to be changed?
      My Computer


  9. Posts : 31,569
    10 Home x64 (22H2) (10 Pro on 2nd pc)
       #9

    NewW10user said:
    my Win7 computers' active network say "home - Work network". The Win10 computer says Network "Private Network". Does that Win10 name have to be changed?
    No, they both mean exactly the same thing, just using different word to describe it. Win7's Home network is functionally the same as Win10's Private network, for each OS the alternative choice is a Public network which limits outside access to your PC. Here are the Win7 and Win10 settings side-by-side for comparison.


    Win7 Computer Prevented From Mapping Win10 Disk-image.png
      My Computers


  10. Posts : 30
    Win10 Pro 22H2
    Thread Starter
       #10

    It seems that (at least as of now) I found out why I had R/O access to Win10 computer from Win7 computer. The insane Win 10 design has an additional place where write access sharing has to be specified - "Give Access To". Not only does the user name have to be added there, the Permission Level must also be changed to "Read/Write". This is in addition to specifying in SHARING -> Advanced Sharing ->Permissions that Full Control is allowed (checked) for the user name.

    To paraphrase an old expression, if you can make something complicated (and stupid) why should you make it simple and clear? Microsoft's guiding principle!
      My Computer


 

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