Accessing administrative shares

  1. Posts : 408
    Windows 10 Pro

    Accessing administrative shares

    I have a networked Windows 10 Pro computer A with built-in 'Administrator' account disabled. However, it has a "normal" administrator account named 'Admin'.

    I would like to access administrative share '\\A\C$' from another computer B in the network. Windows asks me for access credentials. I enter 'Admin' and the corresponding password. This results in "access denied" error.

    Hence the question: What's preventing the access?

    My guesses are

    1. (Unlikely: ) Administrative shares are accessible to the built-in 'Administrator' only.
    2. (More likely: ) Administrative shares are accessible to a designated set of users and there's a way to control it. My homemade 'Admin' is not on the list.
    3. (Most likely: ) Network access to administrative shares is completely disabled by default in Windows 10, but can be enabled somehow.
    4. Something else?
      My Computer

  2. Posts : 265
    Windows 10 Enterprise

    Type the name of the computer you want to access and then the user name as shown here: a\admin
    The example you showed above was only admin and the password. Computer "A" thinks the admin user from computer "B" is trying to connect. Hope this helps...
      My Computer

  3. Posts : 5,478

    Could it be this? (from Wikipedia)

    By default, Windows Vista and later use User Account Control (UAC) to enforce security. One of UAC features denies administrative rights to a user who access network shares on the local computer over a network, unless the accessing user is registered on a Windows domain or using the built in Administrator account. It is possible to disable UAC remote restrictions.
    You could add a LocalAccountTokenFilterPolicy DWORD in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System and set it to 1.

    Access denied to Administrative (Admin) shares in Windows 8 - 4sysops
      My Computer

  4. Posts : 164
    Windows 10 x64

    "Access_Admnistrative_Shares.reg" funny thing i already had the fix but it got lost in some folder here..! This was actually found here year ago and strangely i can't find the thread now! Here's the code (working now!):

    Windows Registry Editor Version 5.00[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System]"LocalAccountTokenFilterPolicy"=dword:00000001[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters]"AutoShareWks"=dword:00000001"AutoShareServer"=dword:00000001
      My Computer

  5. Posts : 11,206
    Windows / Linux : Arch Linux

    Hi folks

    what does the administrative share C$ do that a share to the regular C drive for example won't do

    just a query as in all the cases of network sharings between Windows and Linux and between Windows and Windows I've never use an "administrative share".

    Willing to learn something if people want to explain it to me.

      My Computer

  6. Posts : 6,971
    windows 10

    If you share c a lot of folders you can't access unless you change NTFS permission as admin you can access more but still not system controlled ones
      My Computer

  7. Posts : 17,641
    Windows 10 Pro

    Right click the share on computer A, select Properties. Select Sharing tab, click Advanced Sharing, click Permissions, click Add. Type your username on computer A, click Check Names, click OK to close Select User or Groups dialog :

    Accessing administrative shares-add-share-permissions.jpg

    Back on Permissions for Storage dialog, select the newly added user, and select access level:

    Accessing administrative shares-share-full-control.jpg

    Full Control means that selected user can read, write, edit, delete and add content on share.

    Click OK to close Permissions for Storage, click OK to close Advanced Sharing, click OK to close Properties and save the changes.

    That's it.

      My Computer


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