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BoxunloX

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Cannot Install SQL 2008 on Server 2008 Enterprise

Hello Experts,
 I desparately need some help and was hoping I could find it here. I have a Dell PowerEdge 2950 on which I have installed Server 2008 Enterprise x64. I am trying to install SQL 2008 but I get an error when running setup.exe from the disk that states that .Net 3.5 is not installed. The exact error message is as follows:

Microsoft .NET Framework 3.5 installation has failed. SQL Server 2008 requires .NET 3.5 Framework to be installed.

Well, .NET Framework 3.5 is installed. So I did some research and found many people with this peoblem but no clear solution. One suggestion was that Windows Installer 4.5 needed to be downloaded and installed. So I went to the download mirrior, found the files with which Microsoft said were compatible with my architecture, but when I ran them I got and error message stating that that version of the installer was not compatible with my architecture. So I tried every other file on the page, thinking that maybe MS had gotten their file names mixed up or something. Same error with every file.

I am at a loss. I have to get this Server up and it will be running a specialized application that requires SQL. I don't want to revert back to Server 2003......Please help.....
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Daniel_PL
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Have you tried to install .NET from your installation cd?
<installation drive>\x64\redist\DotNetFrameworks\dotNetFX35\x64\netfx35_x64.exe
Is your system Windows Server 2008 R2 maybe?
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BoxunloX

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What I ended up doing was running a script I got from Microsoft that opened certain ports in the firewall that had been locked down by the guys that built the original image. I'll post it here when I get back to work tomorrow.
Hello,

Use a Valide media for installing , not the downloaded from MS web site , if you can get the original DVD use it ,also dont install it remotly ( sharing your dvd-rom) with the server , connect it directly .

i ve been in the same situation , and that's i ve done to get it working .
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BoxunloX

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The issue ended up being with the locked down version of Server 2008 Enterprise that I was using. I had to run a script I found on technet.microsoft.com and after doing so the install worked great.