I added a new feature and inside FeatureActived wrote following code to open my custom task form whenever user clicks on task title.

SPContentType myTask = web.ContentTypes["Workflow Task"];  
myTask.EditFormUrl = "_layouts/mytask.aspx";  
myTask.DisplayFormUrl = "_layouts/mytask.aspx";  

This code is working fine. Problem is I want to revert to default out of the box form but even if I comment these lines and re-deploy solution OR disable feature in "site collection features" OR retract solution, clicking on task title still takes the user to my custom form.

How can I revert to default form?

  • 1
    Write the same code in the feature deactivated event. However, update the Eidt and Display Form Urls with default values. May 3, 2018 at 8:24
  • Yes, I was thinking about it but the question is what are default values? May 3, 2018 at 8:25
  • 1
    I don't remember. But you can try to find those in a new site collection. May 3, 2018 at 8:28
  • Ok on feature deactivation I simply wrote myTask.EditFormUrl = "" and it fixed the issue. Thanks. May 3, 2018 at 8:29
  • ok, great...... May 3, 2018 at 8:29

1 Answer 1


Please try the following PowerShell to reset the values:

Add-PSSnapin microsoft.sharepoint.powershell
$web = Get-SPWeb "http://sharepointurl"
$ct = $web.ContentTypes["Workflow Task"]
$ct.DisplayFormUrl = $null
$ct.EditFormUrl = $null

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