What errors does Quickbooks connection diagnostic tool resolves

1
What is Quickbooks Diagnostic Connection Tool?

• Intuit's Quickbooks Connection Diagnostic tool is
  a tool designed, developed, and marketed to fix
  all types of errors related to Network
  connectivity and multi-user in Quickbooks Company
  files. Intuit offers this tool for free to
  QuickBooks users, so they can easily take
  advantage of it. The QB tool is specifically
  designed to deal with errors in the 6000 series
  and H series. Using this tool, the user can
  develop a connection to other applications such
  as Quickbooks database server manager and
  Quickbooks Company records.

2
Errors resolved by by Quickbooks Diagnostic
Connection Tool

• Following are the errors resolved by Quickbooks
  connection diagnostic tool
• Error connecting to the database
• Quickbooks 6000 series errors, including Error
  -6150, Error -6000 -82, Error -6000 -301, Error
  -6147, Error -6103
• Database connection to Quickbooks lost
• Quickbooks file missing, damaged, or infected by
  a virus
• Multi-user Error or H series error, i.e., H101,
  quickbooks error code h202, H303, H505
• Port issues with Windows Firewall.
• There are damaged files in the system registry.