Broadband services were down for several hours in Wigan after technical problems.
Sky customers in the borough noticed they were unable to get online on Friday morning.
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The company confirmed there had been issues but said they had been fixed by Friday afternoon.
A Sky spokesperson said: "An incident was raised at 9.50am on Friday, relating to an issue with multiple exchanges in Wigan which impacted a range of providers. The issue has now been resolved."