QuickBooks Error Code OL 203 and OL 204

QuickBooks OL 203 and OL 204 indicate that there are some issues with the Internet Connection
QuickBooks cannot verify the Internet Connection or the connection has not been set up properly
Hardware can also be an issue to this problem i.e. router or modem etc
Firewall connection settings can also be a cause of QuickBooks error codes 203 and 204
Contact Bank for unlocking the Online Banking connection, if blocked by the bank
Call QuickBooks Enterprise support and get the issue resolved with remote support