6129, 0 | Database connection verification failed

What This Code Means

Where Users Usually See This Code

• Opening a company file over a network share
• Multi-user mode or hosted file environments
• After moving the company file to a new folder/server

Why This Code Appears

• The database service is stopped or unreachable
• Network path/UNC share is inaccessible
• Permissions changed on the folder containing the company files
• Firewall rules block the required ports/services

What Typically Happens Next

• The company file fails to open
• The application may prompt for single-user mode or local copy

What This Code Is Not

• It is not always a damaged company file
• It is not a login/password error by itself

Troubleshooting Checklist

• □ Confirm the company file location is reachable from the workstation
• □ Verify the hosting/database service is running on the host machine
• □ Check folder permissions for the service account and users
• □ Temporarily test with firewall/security software to isolate connectivity blocks
• □ If the environment is managed, coordinate changes with IT to avoid disrupting other clients

Notes And Edge Cases