Mainframe bug strands ANZ customers

A "mainframe database corruption" at ANZ left its customers unable to access ATM, EFTPOS services and account details for two days.

ANZ's 1100 nationwide teller machines and EFTPOS services have now been fully restored, according to officials. "They were working overnight ... now everything is back on track," an ANZ spokesperson said.

For security reasons, the bank placed a $200 limit on cash ATM withdrawals. Customers in need of withdrawals above $200 were encouraged to either go into the branch or use credit cards for purchases.

ANZ officials claim the problem was spotted on Sunday and clarified that the nationwide ATM failure was due to "mainframe database corruption" rather than hardware failure, the cause of it's ATM outage earlier in the year.

At least one branch confirmed that problems with the bank's information systems are a regular occurrence, resulting in limitations on customer transactions.

"Our system was down for a few days last week and a few days the week before," claimed a branch employee who wished to remain anonymous. "It's up and running now, but is just as likely to conk out again."

Bank fees for ATM and EFTPOS services were not lifted during the outage, officials said.

ANZ recently posted a net profit of $1.106 billion. The company does not expect any revenue loss from this week's outage.

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