Quickbooks Connection Lost

Quickbooks Data Recovery and File Repair Support
Quickbooks Connection has been lost

When opening or while using a QuickBooks company file over a network, the following error appears:

Error Message: "Connection to the QuickBooks company file has been lost"

Error Codes: -6123, 0

Causes of this Error:

  • Your QuickBooks (QBW/TLG) data file is damaged or corrupted (most likely).
  • The network connection with the host PC is lost.
  • QuickBooks files cannot access the correct ports due to Firewall Settings.
  • More than one instance of the QuickBooks database service (QBDBMgr) are running.


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