Troubleshooting & messages · Delta Drive and Delta Trust messages
What does "Your Delta Drive access has expired. Press Refresh to reconnect" mean?
Short answer: This Mac's Delta Drive access lapsed before it could renew, often after sleep or time offline. Press Refresh to reconnect — nothing in your drive changes.
For security, the access this Mac uses for Delta Drive renews itself periodically. This time it lapsed before renewing — common after your Mac has been asleep or offline for a while.
Press Refresh. Storage Studio renews access and reconnects; nothing in your drive changes.