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In "Central Administration – System Settings – Manage Farm Solutions" I can see that my Solution has been deployed, to http://sp2010/. However when I go to there, and try to activate this feature through "Site Settings - Manage Site Features" or "Site Settings - Site Collection Features" I can't find it, it's not there in the list!

Here's the feature.xml:

<?xml version="1.0" encoding="utf-8"?>  
<Feature  Id="118849a2-9e81-4046-9329-36ebfdff5b8b"
          Description="Deployment for edu.yale.som.auth.admin"
          ReceiverAssembly="edu.yale.som.auth.admin, Version=, Culture=neutral, PublicKeyToken=3b821d30408baea0"
    <ElementManifest Location="elements.xml"/>
    <ElementFile Location="FBAProcessSingleUser.webpart" />
    <ElementFile Location="FBAProcessAllUsers.webpart" />    

I've downloaded this project from

Any ideas how I can activate this feature?

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You can use the STSADM.exe or powershell commands to activate the same.

for stsadm

stsadm -o activatefeature -name FeatureFolderName -url http://yourweb

for powerswhell Enable-SPFeature FeatureFolderName -Url http://yourweb

share|improve this answer
thanks, however it didn't work for stsadm. Here's the error: "Feature with Id '###' is not installed in this farm, and cannot be added to this scope." I tried -o installFeature but that throws an Exception from Deploy.cs – Anonymous Sep 2 '10 at 8:33
Can you tell me the exact exception you get while executing this: stsadm -o installfeature -name FeatureFolderName – Vivek Sep 2 '10 at 11:29
up vote 0 down vote accepted

My WSP was not complete, when I opened it with winRAR I couldn't verify feature.xml and other necessary files. Apparently I had the wrong WSPBuilder installed. The package now shows up in the Site Collection Features-screen.

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