Can't access Synology NAS shares - you may not have permission...

Issue

Cannot access Synology NAS shares. Instead of showing a password prompt, Windows 10 throws following error message:

Open Folder
\\nas is not accessible. You might not have permission to use this network resource. Contact the administrator of this server to find out if you have access permissions.
A specified logon session does not exist, It may already have been terminated.

Resolution

The issue was resolved by manually adding NAS user login credentials to Windows Credential Manager.

  • Go to Control Panel > User Accounts > Manage your credentials > Windows Credentials


  • Click on Add a Windows credential and fill the credentials form.


October 2016
Synology DS413 (DSM 6.0.2)
Windows 10 Pro



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