I’ve done it again. I’ve attempted to install SQL Server 2008 (this time the July 2007 CTP) and it hasn’t quite gone the way I expected.
This time there was no Management Studio. Why? Well, when I tried to go through the set up process again, I got a message that said “The following components you chose to install are already installed on the machine… Workstation components, Books Online and development tools 9.2.3042.00”. The first time round I just ignored it, but this time I paid more attention and clicked the button to give me details. It said:
Name: Microsoft SQL Server 2005 Tools Express Edition
Reason: Your upgrade is blocked. For more information about upgrade support, see the “Version and Edition Upgrades” and “Hardware and Software Requirements” topics in SQL Server 2008 Setup Help or SQL Server 2008 Books Online.
Okay – So, I already have SQL Server 2005 express edition installed, but there is still no management studio and no books online (that I can see). I espcially like the way it helpfully directs me to go to a topic in a help file it failed to install so I can resolve my problem.
Not to worry though… I discovered that the books online for the July CTP are available as a separate download too.
Also, I’m not entirely sure why it is talking about upgrades. I was planning to have it sit side-by-side, just like all the previous versions. But, it looks like I can’t do that. The BOL says “Presence of SQL Server 2005 Management Tools or BI Development Studio will block installation of SQL Server 2008 Management Tools and BI Development Studio.”
Oh, well… I guess intalling the July CTP in the same virtual machine as the Orcas Beta 2 isn’t going to work – I’m just going to have to install it in its own virtual PC now.
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sql server sql server 2008 katmai microsoft installation bol books online
The Blog of Colin Mackay 
There is better solution and that is to uninstall SQL Server 2005. Although it is only a valid solution if you aren’t using it.
I have SQL Server 2005 developer edition in my laptop. I installed SQL Server 2008 (July CTP). both are working fine. I update Visual Studio 2008 with Visual Studio 2008 SP1. Now my SQL Server 2005 is working fine, but SQL Server 2008 (July CTP) is not working. I uninstalled my SQL Server 2008 (July CTP) and installed again. At the time of installation its not installing Client Tools as well as Integration Services. I thought SQL Server 2005 is not allowing to install SQL Server 2008. At this time I uninstalled SQL Server 2005 developer edition as well as SQL Server 2008 (July CTP). Now I tried to install SQL Server 2008 (July CTP) again. Same problem i am facing. I tried nearly 5 times.Could anybody suggest me a solution for this.
@ramesh I’m curious as to why you are still using the July CTP when the RTM version has been available for some months now.