Abu Dhabi Commercial Bank is the UAE's third-biggest lender by assets. Khushnum Bhandari / The NationalAbu Dhabi Commercial Bank is the UAE's third-biggest lender by assets. Khushnum Bhandari / The NationalAbu Dhabi lender says 'essential maintenance' has affected some operations

Abu Dhabi Commercial Bank continued to experience service disruptions due to "essential system maintenance".

The UAE's third-largest lender by assets extended branch working hours to assist affected customers during the outage.

Available services included in-branch banking, ATM access, call centre support and uBank Centres during the disruption period.

ADCB suffered a similar digital banking outage in March, triggered by a region-wide IT breakdown, which took 48 hours to resolve.