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DNest19
Level 3
May 22, 2023

Unable to Impersonate

  • May 22, 2023
  • 4 replies
  • 3608 views

I have been trying to give a user the ability to impersonate a handful of other users. None of the users that can be impersonated are appearing in the impersonation dropdown, and when they type the user ID in and hits OK nothing happens(or they are logged out completely). I'm seeing this error in our logs: org.apache.sling.auth.core.impl.SlingAuthenticator handleLoginFailure: Unable to authenticate null: Impersonation not allowed . Oddly, impersonation is working fine on our dev server but not this prod server. Is there a config or setting somewhere to enable impersonation? I have searched this error and found nothing. This user has the proper ACLs. On production only the admin account does not get this error. I tried with a test account and even assigned it to the administrators group and it still had the same issue. Any help is appreciated, thank you.

4 replies

DPrakashRaj
Community Advisor
DPrakashRajCommunity Advisor
Community Advisor
May 22, 2023

Check this article

https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/unable-to-impersonate-in-aem-cloud-author-instance/td-p/580815

    D
    DNest19Author
    Level 3
    May 22, 2023

    The users all exist in the useradmin console. I'm not seeing anything else in that article.

      DPrakashRaj
      Community Advisor
      DPrakashRajCommunity Advisor
      Community Advisor
      May 22, 2023

      1) In order for impersonating to work for non-admin users - even if member of the “administrators” group, the impersonator is required to have READ permissions in the /home/users path.
      2) impersonate will only work within the same group.

        D
        DNest19Author
        Level 3
        May 22, 2023

        We are running 6.5, updated with the latest sp

          Shiv_Prakash_Patel
          Community Advisor
          Shiv_Prakash_PatelCommunity Advisor
          Community Advisor
          May 23, 2023

          Hi @dnest19 ,

          Below are the steps to impersonate.

          • Log in to the AEM author instance with an administrator or privileged user account.

          • Navigate to the useradmin console, search for an admin or privileged user account, open it, and also expand the impersonation tab.

          • Now search the user for impersonation, drag it into the impersonation tab, and save it.
          • Navigate to AEM site console - http://localhost:4502/aem/start.html 
          • Click on the profile icon, search for the impersonation user, select, and save.
          • That's all you have successfully impersonated.

          You can also refer this - https://www.youtube.com/watch?v=LR3Eb_S1UqI 

          Regards,

          Shiv

          •  

           

          Shiv Prakash
            D
            DNest19Author
            Level 3
            May 23, 2023

            I have already followed these steps to add the impersonators, thanks. The problem is I have already added them but they don't appear and I get an error stating: org.apache.sling.auth.core.impl.SlingAuthenticator handleLoginFailure: Unable to authenticate null: Impersonation not allowed

              Rohan_Garg
              Community Advisor
              Rohan_GargCommunity Advisor
              Community Advisor
              June 1, 2023

              Please refer to the below URL & see if this helps!

              https://helpx.adobe.com/in/experience-manager/kb/login_error.html

              Also, are you getting the same error of Unable to authenticate null: Impersonation not allowed for an admin?
              Can you check the login and access report? An Admin’s login and access are captured in login and access report. For each user who is impersonated by Admin, a record is created in the report.

              Source - https://helpx.adobe.com/in/learning-manager/administrators/feature-summary/impersonation-learner-manager.html

               

                D
                DNest19Author
                Level 3
                June 1, 2023

                Hi Rohan.

                1/2.This is a local user created in AEM

                3. all users except admin

                4. The only entry is the one I've already mentioned:  org.apache.sling.auth.core.impl.SlingAuthenticator handleLoginFailure: Unable to authenticate null: Impersonation not allowed

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