Connecting NAS

Absolutely. Here is a concise message you can paste into Adobe Support:

Lightroom Desktop – NAS originals location incorrectly shown as offline

I use Lightroom Desktop with “Store a copy of all originals” enabled on a UGREEN NAS.

My intended local originals location is:

/Volumes/Media/Lightroom Local Copy/Lightroom CC/

The NAS contains approximately 36,251 original files in this Lightroom folder, and I can read and write to the folder from macOS. Lightroom Web also contains my complete photo library.

My Mac connects to the NAS via a 10GbE direct connection:

• Mac: 192.168.10.1

• NAS: 192.168.10.2

The connection is working and I can access the NAS normally.

However, Lightroom Desktop continues to show:

“/Volumes/Media is disconnected”

and photos can show “Disk Offline / Local Pending”, even though /Volumes/Media is mounted and writable.

I have already:

• verified the NAS folder and originals;

• tested read/write access;

• corrected the Mac/NAS 10GbE network configuration;

• removed duplicate SMB mounts;

• rebuilt Lightroom's Managed Catalog.mcat;

• confirmed the complete library exists in Lightroom Web;

• preserved the old Lightroom library and made a backup of the new library.

The problem persists even with a fresh Managed Catalog.mcat, so it appears Lightroom is retaining or generating an incorrect local-storage volume identity/state outside the catalog.

I do not want Lightroom to redownload or move the 36,000+ originals. I need Lightroom to recognize the existing NAS local-originals folder.

Could you please advise how to reset/reassociate Lightroom Desktop's offline local-originals volume with the existing NAS folder without downloading or moving the originals?

That should give the Adobe technician the important facts without making you repeat the whole troubleshooting history.