Wednesday, June 23, 2010

Azure Guest OS 1.4

On June 7, the Azure team introduced the latest SDK, version 1.2, supporting .NET 4 and other goodies. Along with the SDK, the Azure Guest OS was updated to version 1.3.

A few days ago, a new Guest OS appeared: Version 1.4. Assuming Guest OS Auto-Upgrade is enabled, you’ve automatically been upgraded. If you have any older deployments that have a specific OS version in the service configuration file, simply change the OS version to “*”. If you visit the Azure portal, you’ll see this Guest OS:


If you don’t see 1.4, that means your service is set to a specific OS. You can choose 1.4 from the OS Settings… dialog:


What’s new in 1.4?

There are a few changes you should be aware of.

Azure Drive fixes

If you’re taking advantage of Azure Drives in blob storage, be aware that there might be I/O errors under heavy load. OS 1.4 has a fix for this.

WCF Data Services fix

Guest OS 1.3 had a URL-encoding bug affecting Request URI’s when using LINQ. This is now fixed.

Security Patches

The latest security patches, through April 2010, have been applied to Guest OS 1.4, bringing it in line with Windows Server 2008 SP2.

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