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Error "Error Connecting to the Workflow Manager"


When opening the Nintex Workflow designer within Office 365,  there is a red bar displaying

Error Connecting to the Workflow Manager: undefined


Error Connecting to the Workflow Manager



Option 1

  1.  Add the following to the trusted sites for the browser:
    • *
    • *
  2.  Deactivate and Reactivate the "Workflow can use app permissions" site feature.
  3.  Ensure the user account has the appropriate permissions to access the designer.

Option 2

Contact Microsoft SharePoint Support to resolve the underlying connection error between the site and SharePoint Workflow Manager.


Additional Information

If the above doesn't work then please try the following steps in the link below:


Version history
Revision #:
25 of 25
Last update:
‎11-27-2019 09:31 PM
Updated by: