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Activation failed. Undefined error when add a iPhone in Sophos Mobile Device Management

Jonas Pohl

Dear Sir or Madams,

when I try to add a iOS (iPhone7) device in our Sophos MDM I get on the SMC App following error: "Activation failed. Undefined error" when trying to activate device" When I view the SMC APP logs I get a: getStatusUrlList: no 'SmcAppUrl' item in keychain, error -25300.

I think the iPhone doesn't trust our Root CA.

I already tried following steps:

- imported the certificate with the whole chain in the iPhone manually

- try to assign the client certificate and the root CA certificate over the Sophos MDM policies. 

If I now go open the Webserver of the Sophos MDM, I get a trusted site but I still cannot add the device in our MDM. 

Anyone an idea or a workaround how can I add the iPhone in our MDM?

I appreciate your help!

Jonas



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  • +1 in reply to GlennSen

    Hi GlennSen,

    It worked after I followed the following sequence:

    First import the profile into the device's settings via the setup URL MobileControl-Server/setup. After that, the iPhone can be added to the MDM via the SMC app without any problems.

    Thank You!

    Jonas

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