The Queensland government is demanding answers from the Commonwealth Bank after another glitch left thousands of police and civilian staff unpaid.

Bank bashing may be somewhat of a national pastime. But that hasn’t stopped the Commonwealth Bank from attracting more than 100,000 ‘fans’ to its Facebook page a year after launching its page on the social network.

Customers flooded the Commonwealth Bank of Australia's Facebook page with complaints last night after a network issue affected their ability to access their money.

Commonwealth Bank says its services are back to normal after a connection failure left thousands of customers without access to cash.

After first joining the Commonwealth Bank back in April 2006 as CIO, Michael Harte, has made significant changes to the technology behind the bank, implementing a customer-focused IT strategy and embarking on a core banking modernisation project.

The Commonwealth Bank has announced an upgrade of its customer service portal, NetBank, aimed at creating a single site, sign on and password to access a wider range of the bank’s websites and services.