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Network Shared Drives Access

Network Shared Drives Access

View Permissions

Note: Instructions to Add or Modify permissions are located further down the page.


  1. Open Windows Explorer and select your shared drive.
  2. Right-click on the specific folder (or file).
  3. Select ”Properties“ from the menu.
  4. From the ”Properties“ window, select the ”Security“ tab
  5. Select the user/group name from the ”Group or user names“ list The permissions for the user⁄group will be shown.
    view shared drive security

Add⁄Modify Permissions

Follow the instructions above to view the permissions for a user⁄group.


  1. Click the ”Edit“ button to modify permissions.
    edit group permissions
  2. Modify permissions by placing check marks in the appropriate row(s). Refer to Appendix A for Permissions Description.
  3. Click ”OK“ or ”Apply“.

Permissions Description

Recommendation: Do not use “Deny” setting. If you do not wish to grant access, do not check the “Allow” checkbox or do not add the user account. “Deny” overwrites “Allow” which means that if you give someone read access to a folder you can still deny them read access to a subfolder.


Permission Folder Implications File Implications Recommendation
Read Permits viewing and listing of folders and subfolders. Permits viewing or accessing of the file contents. Permission setting for regular user.
Write Permits adding of folders and subfolders. Permits writing to the file. Permission setting for regular user.
Read and Execute Permits viewing and listing of folders and subfolders; inherited by files and folders. Permits viewing and accessing of the file contents. If the file is an executable, it can be run. Permission setting for regular user.
List Folder Contents Permits viewing and listing of subfolders as well as executing of files; inherited by folders only. N⁄A Permission setting for regular user.
Modify Permits reading and writing of subfolders; allows deletion of the folder. Permits reading and writing of the file; allows deletion of the file. Permission setting for regular user.
Full Control Permits reading, writing, changing, and deleting of files and subfolders Permits reading, writing, changing and deleting of the file. Permission setting for designate(s) and ⁄ or managers. Use with Full Control of a folder will be able to delete any file, regardless of the permissions on that file.

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  • MAC ID Password Expiry

    Beginning in May 2016, MAC ID passwords at McMaster expire annually. Learn more at www.mcmaster.ca/uts/macid

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