I mean, not specifically the Runtime Library but the whole VB 6 IDE.
Windows – install Microsoft Visual Basic 6 in a Windows 2008 R2 Server
windows-server-2008-r2
Related Solutions
From here:
Microsoft SQL Server 2005 Service Pack 3 and SQL Server 2008 Service Pack 1 and later versions are supported. SQL Server 2005 Express Edition Service Pack 2 and SQL Server 2008 Express Runtime RTM are also supported. SQL Server 2008 R2 will be supported in H1 2010.
As to why you can't install it, you need to provide more details on what you're experiencing before a cogent answer can be given.
From the Server Manager console home page, you can click on Change System Properties on the right side.
Then click on the Advanced Tab, and the Environment Variables button...
Best Answer
According to this article on Softpedia, it should work. Try it and let us know.