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External user responding a Workfow Task and getting "Access denied. You do not have permission to perform this action or access this resource."

Question asked by sharepointfrancois on Jun 12, 2016
Latest reply on Jun 15, 2016 by olampl11

Hi all,

As per the subject, I have an Approval Task sent to an external user and he gets the email without problem.

Then clicks the link to the Workfow Task: it opens fine, switch to Edit move and clicks the Radio Button to "Approve", then clicks OK: the following message is displayed in Red

"Access denied. You do not have permission to perform this action or access this resource."

Error_at_workflwo_task_save.png

 

I checked the permission in Workflow Tasks list and even tried to elevate it to Full Control and still error.

Then also checked the special list   /Lists/Workflow%20History and still had enough permission too.

 

thank you for throwing some suggestion that I didn't think of. (must be something related to that external user...)

François.

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