QuickBooks Error 6175 may occur when QB cant start the QuickBooks database services or perform other tasks.
Due to the presence of any firewalls, content blockers or other issues mostly technical.
The database service manager is run in multi-user mode in order to host company files.
The server which is hosting QB company file (.qbw) may be busy.
QuickBooks error code 6175 0 may occur at the time of communication.
So these above-mentioned steps are promising and should help if you are having QuickBooks Error 6175. If the error still persists, dial QuickBooks Customer Service +1-877-693-1117.