Microsoft Corp. reported that service had returned for users of its Hotmail and new email services Wednesday morning after a 17-hour outage.

On Twitter, users vented about the hours-long disruption.

"#Microsoft outage of Hotmail and Outlook continues," said @johnmcclure00. "This has been an extended outage. Ouch."

The issues first appeared on the company's service page at 5:35 p.m. Tuesday. Later, the Redmond, Wash., software giant posted at least four notices saying it was working to resolve the problem and apologizing for the delays.

"Fixing the problem is taking longer than we hoped," the company said on its service dashboard.

At 10:39 a.m. Wednesday, the company declared the email outage fixed.

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Service also was disrupted on Microsoft's SkyDrive cloud storage service, but by 9:40 p.m. Tuesday, about three hours after the issue was noted on the company's service status Web page, the issue was reported to be fixed.

SkyDrive users were having problems adding, editing or removing files and publishing content with Windows Photo Gallery in an online album, according to the company posting.

On Feb. 18, Microsoft began migrating all Hotmail users to its new free email service. Hotmail users, however, are able to keep their Hotmail addresses.

A call seeking comment from Microsoft was not immediately returned.

It was unclear if the service outage was related to the migration of Hotmail accounts to