Windows Server App Fabric is not correctly configured – SharePoint 2013 Setup Errors

When installing SharePoint 2013 SP1 prerequisites on Windows Server 2008 R2, the prerequisite installer fails with the following error

Error

“Windows Server App Fabric is not correctly configured. You should uninstall Windows Server Appfabric and reinstall it using the Sharepoint Products Preparation Tool.”

Cause
This occurs when u try to run “PREREQUISITEINSTALLER.exe” as standalone installation.

Resolution
The resolution is to run “prerequisiteinstaller.exe” with command line parameters to directly specify the file name for each prerequisite.

1. Uninstall exisiting installation of AppFabric
2. Delete “PSModulePath” from system environment variables entry.
3. Restart server
4. Open command prompt
5. Navigate to SharePoint 2013 setup files folder (eg: D:\)
6. Type following line
   prerequisiteInstaller.exe /appfabric:Z:\Softwares\Sharepoint 2013PreRequisite\WindowsServerAppFabricSetup_x64.exe
   (NOTE:  Z: is my Prerequisite files folder location. replace with you path)
   MAKE SURE THERE IS NO SPACE FOR FOLDER NAME
   
7. 
8. Done! Continue installation…