I have a requirement to create a SQL Server 2008 R2 SP1 setup media. I have done this using slipstream method as recommended by Microsoft. I can only use this to create new installation. But is there a way I can use this media to update an existing SQL Server 2008 R2 instance?
For an existing instance just apply the service pack, if you want to do this without user interaction, do the following:
unpack the downloaded package:
then start the service pack installation with parameters like: