During the configuration of NW BPM, have you ever ran into an authorization error when adding an UME principal as a Administrator or Potential Owner of a BPM pool.  Example screens for this process:

In order to correct this problem, the user used during this process must have a role with the action “Spml_Read_Action“.

A role with this action can be created in the UME.  Then this role can be added to the user.

Below are a few simple steps to accomplish this:

1. Logon to UME with an authorized user:
2. Create a new role:
   
3. Provide a role name and assign activities:
   :
4. Select the user:
   
5. Assign the new role to the user:
   

Repeat the task to assign an UME principal.  It should now work.

You can reference Note 1647157 for more details.