Can you check if SQL database is running ?
Open Services.msc, and then start the Windows Internal Database service or SQL Server service.
For an AD FS server that uses SQL Server as configuration database,
If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.
If you are a web developer, you would be aware of the <iframe> tag in HTML. The <iframe> stands for inline frame and is used to embed another document within the current HTML document. The embedded document could be even another website.