Renaming SQL Server that hosts Reporting Server

Sometimes business demands or change in naming convention for servers lead to situation where one should change / rename the Server running MS SQL Server, it would not that panic renaming SQL Server as you have sp_dropserver and sp_addserver to help you, but what if this SQL Server box have reporting server too; well microsoft has workaround for it refer - http://technet.microsoft.com/en-us/library/ms345235.aspx