The announcement was made late Friday afternoon in .

"Due to very heavy traffic we're seeing as a result of interest in the Windows 7 Beta, we are adding some additional infrastructure support to the Microsoft.com properties before we post the public beta," the message explains.

The post does not give a definitive time for when the Windows 7 beta will be made available again.

"We want to ensure customers have the best possible experience when downloading the beta, and I'll be posting here again soon once the beta goes live," it says.

Overwhelming Demand