Sky broadband customers have seen their service levels affected by network congestion issues, it has been reported.
According to PC Pro, subscribers in 34 areas of the UK - those which use Sky's unbundled exchanges - have been suffering connection problems since the end of February.
Some may have to wait until the end of April to see the issue resolved, the news provider warned.
A spokesperson for the broadband provider said the firm was "working hard" to resolve the intermittent service issues being experienced by some subscribers.
"This is a result of Sky having to add more capacity into its local network infrastructure to meet the growing demand being placed on the network through high volumes of new customers and greater levels of demand from existing customers," they stated.
"We apologise for the ongoing inconvenience to affected customers."
Back in November 2011, an Ofcom study found Sky to be the UK's most popular fixed broadband provider for customer service.
The satellite TV and broadband provider received a 64 per cent satisfaction rating, beating Orange (58 per cent), and BT and Virgin Media (57 per cent).