Run QuickBooks error 6143 File Doctor Tool:
Use this tool toautomatically detect and fix company file and network errors.
Check Network Setup:
Ensure the host computer is correctly configured.
Verify all workstations are on the same network and have appropriate access.
Restore Backup:
Use a previous backup of your company file to restore data.
Disable Conflicting Software:
Temporarily disable antivirus and other third-party software to check for interference.
Read Also: QuickBooks error 6190
Rename.ND and . TLG Files:
Add ".old" to these file extensions to reset network data files.
Use QuickBooks Install Diagnostic Tool:
Fix issues related to QuickBooks installation.
Reinstall QuickBooks:
Uninstall and then reinstall QuickBooks to address underlying issues.
Implementing these steps can help resolve QuickBooks error code 6143 and restore normal operation to QuickBooks.