Following are the causes that prompt QuickBooks Error code (-6176 0):
Windows Firewall or Antivirus application restricts the connection between the Server and the Client's workstation.
You are still running an older version of QuickBooks Desktop that is either discontinued or does not have the latest updates installed, which is evoking the error.
Inaccurate hosting settings in QuickBooks Desktop can trigger this error.
Damage or corruption in the QuickBooks company file can also prompt this error.
Errors while installing QuickBooks Desktop on Windows can lead to this error.
For further queries, please contact us at +1(855)-738-0359. You may also read - How to fix Error 6123 0 in QuickBooks desktop