It appears a strike has been avoided at Cascades Casino in Chatham.
Unifor Local 444, which represents the workers, posted on its social media that a tentative agreement was reached on Thursday.
Unifor said the union and Gateway remained at the bargaining table in Chatham past the midnight deadline to reach the tentative deal for the workers.
"Thank you to our members for your solidarity and support," posted the union.
A ratification vote was scheduled to happen on Saturday, but because of the Microsoft outage, it'll now be held in-person on Monday.
Members can vote at the Everest Convention Centre in Chatham from 8 a.m. to 6 p.m. Everyone must bring their badge or union card to vote.