If you cannot access the NAS from Windows, go to Turn Windows Features On or Off and ensure SMB 1.0/CIFS File Sharing Support is checked.
If the NAS won't recognize a new drive, it may need to be initialized as GPT rather than MBR, though the DNS-323 has physical limitations on some 4Kn drives. dns323 firmware 111 download fix
The most reliable source for the final official version (v1.10). If you cannot access the NAS from Windows,
If the official v1.10 update doesn't fix your specific issue, many users switch to . This is a free, open-source custom firmware designed specifically for the DNS-323. It provides: Support for larger hard drives (4TB+). Modern SMB2/SMB3 support. A much faster and more secure web interface. Packages for Plex, Transmission, and more. dns323 firmware 111 download fix