troubleshooting Question

Unable to install .NET Framework 4.0: "Cannot run in compatibility mode"

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elorcFlag for United States of America asked on
.NET ProgrammingWindows Server 2003
7 Comments1 Solution3776 ViewsLast Modified:
I have a Citrix farm containing servers which run Windows  Server 2003 SP2. They are all identical in terms of hardware and software. I installed .NET Framework 4.0 fine on all of these servers except one. On this one particular server, it keeps giving me an error:

Setup has detected that this computer does not meet the requirements to complete this operation. The following blocking issues must be resolved before you proceed.

Blocking issues:

The setup cannot run in compatibility mode. For more information, see the Readme file.

In typical MS fashion, the Readme it directs me to is absolutely useless and doesn't mention this error at all. In addition, it's not running under compatibility mode. I've even made sure of that by right-clicking the installer and checking its properties. All compatibility mode options are disabled. I'm running this as a domain administrator, which has administrative rights over the machine in question (as it does with all of the others). I've even tried running it as the local admin, same result.

The log itself says:

[9/2/2011, 15:54:1] === Logging started: 2011/09/02 15:54:01 ===
[9/2/2011, 15:54:1] Executable: M:\temp2\dotNetFx40_Full_x86_x64.exe v4.0.30319.1
[9/2/2011, 15:54:1] --- logging level: standard ---
[9/2/2011, 15:54:1] Successfully bound to the ClusApi.dll
[9/2/2011, 15:54:1] Error 0x800706d9: Failed to open the current cluster
[9/2/2011, 15:54:1] Cluster drive map: ''
[9/2/2011, 15:54:1] Considering drive: 'M:\'...
[9/2/2011, 15:54:1] Considering drive: 'N:\'...
[9/2/2011, 15:54:1] Drive 'N:\' is rejected because of the unknown or unsuitable drive type
[9/2/2011, 15:54:1] Considering drive: 'Y:\'...
[9/2/2011, 15:54:1] Drive 'Y:\' is rejected because of the unknown or unsuitable drive type
[9/2/2011, 15:54:1] Considering drive: 'Z:\'...
[9/2/2011, 15:54:1] Drive 'Z:\' is rejected because of the unknown or unsuitable drive type
[9/2/2011, 15:54:1] Drive 'M:\' has been selected as the largest fixed drive
[9/2/2011, 15:54:1] Directory 'M:\ebf1063b0b3115a45382f05d\' has been selected for file extraction
[9/2/2011, 15:54:1] Extracting files to: M:\ebf1063b0b3115a45382f05d\
[9/2/2011, 15:54:12] Extraction took 9.906 seconds
[9/2/2011, 15:54:12] Executing command line: 'M:\ebf1063b0b3115a45382f05d\\Setup.exe   /x86 /x64'
[9/2/2011, 15:54:26] Exiting with result code: 0x0
[9/2/2011, 15:54:26] === Logging stopped: 2011/09/02 15:54:26 ===

I have no idea what the deal is here but this is really annoying. I don't see why it's not working on this machine when it worked fine on all of the others. Does anyone have any ideas as to what's going on with this thing?
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