A primary Designated Contact is unable to assign another user as a MuleSoft Designated Contact in the Salesforce Help Portal. The affected user may be able to book training, but still does not appear as available for Designated Contact assignment.
The individual intended to be a Designated Contact has not fully established their MuleSoft identity within the Salesforce Help Portal system. This typically occurs when they have not completed the specific MuleSoft login path within the Help Portal, which is necessary for their profile to be correctly recognized and made available for assignment by a Primary Designated Contact.
Instruct the individual who needs to be added as a Designated Contact to perform the following steps to properly initialize their MuleSoft identity within the Help Portal:
https://help.salesforce.com/s/005389042

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