This posting contains a list of some of the common problems that have been seen in early usage of Windows Azure Virtual Machines. These topics can be used as a guide to resolve some of the most common problems that are likely to occur when first using Windows Azure Virtual Machines
Potential issues that may be seen:
1.) Remote Desktop endpoint is missing
Each virtual machine that is created should have a remote desktop endpoint for the VM at port 3389. If this endpoint is deleted then a new endpoint must be created. The public port can be any available port number. The private port (the port on the VM) must be 3389.
2.) RDP fails with error: "The specified user name does not exist. Verify the username and try logging in again. If the problem continues, contact your system administrator or technical support."
RDP connection may fail when there are cached credentials. Please see the following article to resolve this problem: http://www.c-sharpcorner.com/uploadfile/ae35ca/windows-azure-fixing-reconnect-remote-desktop-error-the-specified-user-name-does-not-exist-verif/
3.) Failure to connect to uploaded VHD
When a VHD is uploaded to Windows Azure you must make sure that Remote Desktop is enabled on the VHD and an apporopriate firewall rule is enabled on the VM to open port 3389 (Remote Desktop port)
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