Signup restrictions in Windows Azure Store during preview
During preview, Windows Azure Store is only available to users who signed up for Windows Azure from Canada, Denmark, France, Germany, Ireland, Italy, Japan, Spain, South Korea, United Kingdom or United States. To see if your account is in one of these countries:
1) Login to https://account.windowsazure.com
2) Click profile
3) Check your country or region
Additionally, the Store is not available to users who have Enterprise Agreement or Microsoft Internal pricing on Windows Azure.
We are working hard on removing these restrictions.