Assume that you install a Microsoft SharePoint Foundation 2010 farm by using Microsoft SQL Server authentication. However, when the SQL Server authentication password is about to expire, there is no way for you to change the password.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 2687599 - Last Review: Nov 16, 2012 - Revision: 1
Microsoft SharePoint Foundation 2010