The most common factors causing QUICKBOOKS Error message 6210, 0 include:
QUICKBOOKS Desktop and its add-on features haven't been fully installed.
When installing QuickBooks on Windows, there are errors.
QuickBooks installation files such as Network Data (.ND) and Transaction Log (.TLG) have been infected or lost due to computer infestations.
QuickBooks is unable to communicate with other workstations on the network due to a Windows Firewall or a third-party firewall.
If the user does not have administrator access to the server machine that houses the firm file.
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