Northern Ireland becomes first part of UK to bring in legal entitlement for parents affected by miscarriage at any stage of a pregnancy to have paid leave.
In an update on Sunday, the EA said its teams had been working over the weekend to "restore access to the system safely and securely, starting with primary schools".
A wreath was laid by the Irish President Catherine Connolly at the General Post Office (GPO) in the Irish capital and in Belfast thousands of people turned out for a parade in the west of the city.