When we install SharePoint 2010 on Windows server 2008 R2 ,that day its work fine.Next day when start SharePoint administrator got error
“500 INTERNAL SERVER ERROR” .After searching lot of blogs and forums finally discover solution.
Its problem of Sqlserver service not started.Lets start it.
- Click on start—->in search type “services.msc”
- Point to SQLSERVER service and start it.