Santander UK customers were unable to access their online accounts for several hours from Friday morning until mid-afternoon.
“We are currently experiencing issues with customers logging in to Online Banking,” the lender told customers via Twitter.
It comes ahead of a bank holiday weekend and monthly salary payments for millions of Britons.
The bank said the problem had now been sorted out.
“We apologise for the problems some customers faced earlier today using our digital banking services ... Read even more
