Unable to add Library Folder on Synology to Plex on Windows 11

Server Version#: Plex Media Server v1.41.9.9961
Player Version#:

Unable to add Library Folder on Synology to Plex on Windows 11

Issue Summary:

Running Windows 11 with Plex Media Server v1.41.9.9961, trying to add a mapped Synology SMB folder (for photos) to the Plex library.

  • The Synology folder is shared via SMB, with Read/Write permissions for Local Users.
  • The Plex server is not hosted on the NAS.
  • The mapped folder (e.g., I:\Photos) is accessible in Windows Explorer and works normally.
  • Permissions are also granted to System and Media/Plex users.

Problem:

When attempting to add the folder to the Plex library:

  • Neither the mapped drive path (I:\Photos) nor the UNC path (\\172.15.15.2\Photos) works.
  • Plex fails to populate any content or scan the folder.
  • The mapped drive (I:) does not appear in Plex’s folder selection list.

What I’ve Tried:

  • Verified SMB access via Windows Explorer (works fine).
  • Confirmed folder permissions.
  • Attempted both mapped drive and UNC paths in Plex.

Question:

What steps or configurations might allow Plex on Windows 11 to see and access the mapped Synology SMB folder for library scanning?

Any suggestions or pointers greatly appreciated.

Reset permissions on NAS folder and able to MAP.

Marking Resolved.

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