To log in, you must first register in the estos partner portal (https://my.estos.de). This will automatically activate the login for the estos ticket system. For an access to the estos partner portal you can also use the link:
If your company is already registered with us as an authorized reseller or estos partner and you now need personal access to the estos ticket system, please contact the colleague who manages access to the estos partner portal. As part of the authorization process, access and instructions for setting up additional contacts were sent to you.
You can then set up another contact in the my.estos.de user administration: