When editing the shipping address in the admin panel, the additional DHL fields for street name, house number, address addition, packstation etc. are missing.
The additional fields are added by the following observers of the DHL module:
- For Magento 1: app/code/community/Dhl/Versenden/Model/Observer::replaceAddressForm
- For Magento 2: module-shipping-m2/Observer/ExtendAddressFormObserver::execute
The conditions in the above functions must be met.