Cannot access a secured share on a NAS

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  1. Posts : 589
    Win10 x64 Pro -2 desktops, 1 laptop
       #1

    Cannot access a secured share on a NAS


    I have a NAS drive with both several unprotected folders and one protected folder. I have no trouble accessing the unprotected folders from Win10, but I cannot get access to the protected one. If I click on the secure folder from File Explorer I get the popup
    Cannot access a secured share on a NAS-nas-login.png
    I enter a userid and password as defined on the NAS . The popup disappears for a few seconds; then a very similar one pops up:
    Cannot access a secured share on a NAS-nas-login-2.png
    It says "connecting" and doesn't say "Access is denied", but never goes beyond that. I'm a bit puzzled because it looks like Windows is asking for credentials for the whole NAS rather than for the secured "share" within the NAS. I have no NAS-level security set up.

    BTW, I've been able to access the unprotected shares with no trouble for years - both from Win7 and Win10. I've been trying using the protected share for only a couple months and have had mixed results. Sometimes I succeed, but usually I fail. I can find no errors logged on either Windows or the NAS.
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  2. Posts : 589
    Win10 x64 Pro -2 desktops, 1 laptop
    Thread Starter
       #2

    Some more information: Something I did on the WD NAS seems to either set credentials on the whole drive or on all shares on the drive. Luckily I have only 3 PCs accessing this NAS. Not too many things to change.
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  3. linw's Avatar
    Posts : 1,771
    win 10 Insider
       #3

    I have just done something similar with my WDMYCLOUD. I created a 'protected' share under a new mycloud username. The credential I was prompted for was for the share owner.
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  4. Posts : 589
    Win10 x64 Pro -2 desktops, 1 laptop
    Thread Starter
       #4

    The real problem I've got is that I need to have nearly continuous access to an unprotected share and occasional access to a protected share. Now that I have to give the credentials to access the unprotected share access to the protected one is wide open. (My backup software asks for the credentials again before writing to the protected share but anything else running under my id has no problem accessing it.

    If I create another protected share and assign different credentials to it, will this mess up the access I already have? Last I knew, MyCloud and MyBookLive used different flavors of Linux so problems may not be the same on both, but I thought I'd ask anyway.

    Edit:
    I just found out that Windows will not allow what I want to do - multiple connections to a server with different credentials (although Windows sure doesn't word it that way.
    Cannot access a secured share on a NAS-multiple-server-connections.png
    The option to disconnect previous connections is not an option so I'm sort of out of luck. There are some circumvention with their own problems. I'll start a new thread for them and mark this thread solved (although "permanent restriction" is more accurate than "solved").

    Edit: The other thread is at
    How to get multiple accesses to a NAS server? - Windows 10 Forums
    Last edited by pokeefe0001; 27 Jun 2016 at 13:22.
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  5. Posts : 589
    Win10 x64 Pro -2 desktops, 1 laptop
    Thread Starter
       #5

    I seem to have unsolved the problem. I think what I did was:
    • Set "Turn off password protected sharing" (because I'm pretty sure I ran for years with it off)
    • Delete the saved credentials for MyBookLive. (This is done using a very well hidden command
      rundll32.exe keymgr.dll,KRShowKeyMgr)
    • Reboot

    After that I was still able to access the unprotected share, just like I've been doing for the past 3 years. But I was no longer able to access the protected share. I'm back to the situation described in posting #1 in this thread.

    I tried going back to "Turn on password protected sharing" (and rebooting, just in case), but that did no good.

    Any ideas what I do next? Giving up on secured shares seems like a reasonable option, but I'd rather not resort to that yet.
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  6. linw's Avatar
    Posts : 1,771
    win 10 Insider
       #6

    I recently created a protected folder for my Macrium backups to help hide my backups from a ransomware hit. The backup runs under another user on my desktop and another user on the MyCloud.

    To access the backup folder from the desktop requires me to enter the correct user and password on the MyCloud. Not sure why you can't access your share.

    Hope you get it worked out soon.
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  7. linw's Avatar
    Posts : 1,771
    win 10 Insider
       #7

    Mmmm, I am in the same boat, now.

    Your quote-: Now that I have to give the credentials to access the unprotected share access to the protected one is wide open.

    Can't believe this. The password prompt should only occur when trying to access the protected folder, surely.



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  8. Posts : 589
    Win10 x64 Pro -2 desktops, 1 laptop
    Thread Starter
       #8

    linw said:
    Mmmm, I am in the same boat, now.

    Your quote-: Now that I have to give the credentials to access the unprotected share access to the protected one is wide open.

    Can't believe this. The password prompt should only occur when trying to access the protected folder, surely.

    Well, it was probably wide open only for me. And I finally sort of understand what is going on ... maybe. I think this is what was going on:
    I told Windows to remember the credentials I used when accessing the share MyBookLive\Secure. Windows saved those credentials (in my AppData) under MyBookLive. Then any time I (but nobody else on the PC) tried to access MyBookLive by name Windows (but not MBL) demanded those credentials, and since they were saved, Windows automatically provided the credentials when I (but nobody else on the PC) accessed MyBookLive\Secure.

    My intent, too, was to provide a share safe from ransomware, but that did not happen since the "secured" share was open for me all the time.

    Now I've messed things around enough that I can't access the secured shares at all, but I can access the public shares without providing credentials.
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  9. linw's Avatar
    Posts : 1,771
    win 10 Insider
       #9

    Now, mine seems to be working as expected i.e. only get a prompt for the protected share! Worked with Android, 2 x w10 586's and now my Insider all are good. My Macrium, using the protected folder, has worked fine in the background as well.

    I also had ALL shares showing but after deleting the NAS credentials in WIndows Credential Manager, all came right.

    So, don't know what I am moaning about!! However, I swear I had the anomaly on my main comp earlier.

    Will keep testing to see if it keeps working as it is supposed to.

    Good luck, but it seems as if it is not fatally flawed after all.
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  10. linw's Avatar
    Posts : 1,771
    win 10 Insider
       #10

    Grrrrrr!!! Set up my wife's comp with the backup and now all I get is the error in post#4.

    Rebooted both active comps and the NAS and still there.

    net use shows nothing in the list. Accessing with \\IPno\share gives same error as well.

    I hate it when I get a problem like this that goes back many years and still there is no real solution. We've got to ask why these errors still exist.

    Back to the drawing board................
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