Note: This article was originally published in 2013. Some steps, commands, or software versions may have changed. Check the current Microsoft Online documentation for the latest information.

This article explains http://adminwebservice.microsoftonline.com? and why it matters for your environment.

What is http://adminwebservice.microsoftonline.com?

The (http://en.wikipedia.org/wiki/Uniform_resource_locator “Uniform resource locator”): http://adminwebservice.microsoftonline.com is generally used by applications like the (http://www.microsoft.com/WINDOWS “Windows”) Azure Active Directory Sync tool (to sync with (http://www.microsoft.com “Microsoft”) online (http://www.microsoft.com/windowsazure/ “Microsoft Azure”) AD service) to authenticate against those services.

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