Update Dec. 27, 7:00 p.m. PT:

Xbox Live core services are up and running on both consoles in all regions, according to the official Xbox Live support pages

PSN is currently online for PS4, PS3 and PS Vita, according the official PlayStation support page , which states "Intermittency may be experienced when accessing some network services."

Xbox Live is suffering connectivity issues again today, according to the official Xbox Live Support page, with Xbox One users experiencing problems signing in.

Xbox Live is up and running on both consoles in all regions, according to the official Xbox Live support pages . IGN team members in Australia could sign in and access services once they power cycled their Xbox One console, which Microsoft advises users to do.

Update Dec. 27 at 11:00 a.m PT: PlayStation Network began experiencing issues again earlier this morning with PS4 and PS3 users unable to sign-in. According to the official PlayStation Support page, the service is offline for PS4 systems. Sony is aware of the problem and is investigating the cause.

We're aware that some users are experiencing sign-in issues on PS4 and PS3; engineers are investigating the cause.



— Ask PlayStation (@AskPlayStation) December 27, 2014

Xbox Live is also suffering connectivity issues today, according to the official Xbox Live Support page . Xbox One users are experiencing problems with online gaming and launching certain games.

PlayStation Network services are gradually coming back online for PlayStation 4, PlayStation 3 and PlayStation Vita, according to the official PlayStation Support Twitter account.

Update: PS4, PS3, and Vita network services are gradually coming back online - thanks for your patience



— Ask PlayStation (@AskPlayStation) December 27, 2014

At the time of writing, IGN team members in Europe could access core services, such as the PlayStation store, Friends list and game servers. Team members in Australia were unable to access the features.

Both Microsoft's Xbox Live and Sony's PlayStation Network services began suffering connectivity and functionality issues on December 24. Users were experiencing issues from accessing online games and features, inability to sign in to complete service outages. Both services had sporadic moments of varying functionality during the outage period with respective support teams providing continuous updates explaining efforts to investigate the issues and restore services.

Core functions - connectivity, online multiplayer, and access to the online store - on Xbox Live were recently restored for Xbox One after Microsoft stabilized the service on Xbox 360 several hours earlier.

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IGN reached out to Sony and will update this story with any new details.

Jenna Pitcher is a freelance journalist writing for IGN. You can follow her on Twitter.