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  1. #1


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    Can't open files on mapped Win 7 volume from Mac OS X
    I have a Mac Pro running OS X 10.8.4. Itís networked to a Win 7 machine. I can map the Mac to my Windows box and access files on the Mac from Windows. The machines connect through an unmanaged switch and employ 10-dot IPs. No router. They are in the same workgroup with the same user and password on each. Firewalls are disabled. I am an Admin on both units. So, why canít I open, copy, delete, etc., any file that I try to access on the Win 7 machine from the Mac? For example, if I try to view a plain text file, Mac says that it cannot be opened. If I try to copy the file to the Mac desktop, Mac says that I donít have permission (I do, at least in Windows). Everything is fine on my Windows machines network.

    To map the PC from the Mac, I use Go\Connect to Server and enter smb://10.10.10.11/M, which is a shared volume. I log in as ccu, which has full control over all objects on M. From the Mac, I can open the PCís folders and view their contents, but thatís as far as I can go. On the Mac, file sharing is enabled.

  2. #2

    mrplow's Avatar
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    Specs:
    27" iMac i7 (2011) 10.11, Mac Mini i5 (2014), iPhone6s, Apple Watch, iPad Air 2, New AppleTV (4?)
    Go to the folder on Windows 7 that you want to share. Right-click - Properties - Sharing tab - Advanced sharing. Tick to share folder - Permissions - Add

    Add a user called 'Everyone' (no quotes) give it read and or Change permissions.

    In the Network and sharing centre:
    Turn On network discovery
    Turn on file and printer sharing
    Turn off password protected sharing (just temporarily til you get up and running)

    Save changes. Reboot. Try again
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  3. #3


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    Thanks. I'm afraid that none of those measures made any difference.

  4. #4

    mrplow's Avatar
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    27" iMac i7 (2011) 10.11, Mac Mini i5 (2014), iPhone6s, Apple Watch, iPad Air 2, New AppleTV (4?)
    If you changed all of that I'd say its a routing problem. I'd consider buying a cheap router
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  5. #5


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    Thanks very much. That didn't help, unless I did something wrong. I attached a router to the switch, and set my Mac settings as in the screenshot. I can ping the router from Win7 and Mac, and I still can connect to Win 7 (10.10.0.11) from the Mac. I can copy files to Win 7, but I still can't open files on Win7 from the Mac. I also set the router's IP as the default gateway on Win7.
    Attached Images Attached Images

  6. #6

    mrplow's Avatar
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    Specs:
    27" iMac i7 (2011) 10.11, Mac Mini i5 (2014), iPhone6s, Apple Watch, iPad Air 2, New AppleTV (4?)
    Reset the router to factory settings (there's normally a little button on the back that you press with a paper clip)

    Change all the settings on your Macs and PCs to use DCHP or automatic etc. do not manually configure the IP, subnet, gateway or anything like that.

    Connect them all to the router ideally, if not just connect them to the switch then connect the switch to the router with a single cable.

    The router, using dhcp, will allocate ip addresses to everything.
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  7. #7


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    Thanks again, but still no joy. I attached a screenshot. I left the physical connections as they were, PC+Mac-to-switch, router-to-switch.
    Attached Images Attached Images

  8. #8

    mrplow's Avatar
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    That's a windows permission issue. Something on you windows machine hasn't got it's permission set correctly.

    Can you navigate to that m folder and do a get info so we can see the permissions your mac is seeing
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  9. #9


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    Thaks. Under the Sharing & Permissions, it says "you have custom access." I find that I usually can delete files on Win7 from Mac. Sometimes, when I copy a file from Mac to Win7, the copied file is 0 bytes, and Mac reports that som edata in tje file can't be written.

  10. #10

    mrplow's Avatar
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    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  11. #11


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    Thanks for all of your suggestions and help! My systems are configured as the guides indicate.

  12. #12

    mrplow's Avatar
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    27" iMac i7 (2011) 10.11, Mac Mini i5 (2014), iPhone6s, Apple Watch, iPad Air 2, New AppleTV (4?)
    So are you using password protected sharing on the Windows machine now or not?

    Is the behaviour the same under both methods?

    If you browse to the Windows public shared folder using the machine listed under 'Sahred' in finder rather that 'go to' and entering an IP. Can you read/write in that folder?
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  13. #13


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    Thanks again. I am using password protected sharing now, but have tried disabling it with no change in results. I turned on public sharing in Win7 and shared the Pictures folder with Everyone. When I navigated to that folder after mapping the drive, I still could not open files.

    I'm not sure what you mean by browsing in Finder instead of Go to. When I open Finder. I see what's in screenshot 1. After I map the volume, I see what's in screenshot 2. When I try to open the / folder, I receive the message in the screenshot. AFAIK, the only way to get to the Win7 share is through Go to.
    Attached Images Attached Images

  14. #14

    mrplow's Avatar
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    Specs:
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    If your sharing was setup correctly you'd see all your machines and network devices automatically under Shared in Finder
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

  15. #15

    mrplow's Avatar
    Member Since
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    Specs:
    27" iMac i7 (2011) 10.11, Mac Mini i5 (2014), iPhone6s, Apple Watch, iPad Air 2, New AppleTV (4?)
    Is the Mac firewall off?

    uncheck and re-check windows file sharing (SMB) in the sharing pane of system preferences a couple of times.
    In the Network preference pane - Advanced - WINS and change the netbios name - Apply, then change it back - Apply.
    reboot
    Not been around these parts for a while. Trying to change that . .

    Please use the reputation system if you think you've been helped - bottom left of this post

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