Removal Architecture Mismatch Error
Probelm:
Today I am trying to uninstall SQL Server 2008 R2 from a server but it fails with above error msg
Rule "Removal architecture mismatch" failed.
The CPU architectures of feature(s) you selected to removed are different then Setup. To remove these features, Setup architecture must be the same as the features being installed.,
When you install SQL Server 2008 on a 64 bit machine, it installs SQL Server for both x86 and x64 compatibility, leaving two separate items under Control Panel -> Programs and Features, as shown below:
If you try to uninstall by clicking on first one (above 64-bit one), then you will get this rule mismatch error. You must select the second one (64-bit one) to successfully uninstall.
When I selected the appropriate one, my uninstall validations passed without hassles.
