Before SAP can communicate with the OneList server, a trusted relationship must be defined between SAP and the server where OneList resides - this must be done by adding the site's 'signing' or 'intermediate' certificate to the SAP Trust Manager. Follow the steps below (screenshots were taken in Chrome):

Steps in Web browser (Chrome)

• Start Chrome (or other web browser) and navigate to your OneList approvals site.

• Click on the 'lock' icon next to the URL, shown below, and then click on the 'Certificate' menu item:
  

  

• Navigate to the Certification Path tab:
  

  

• Once here, you will see the 'site certificate' (*.onelistapprovals.com in this case - yours will be different) and the 'signing' / 'intermediary' certificate (immediately preceding the 'site certificate' ). Select the latter certificate (NOT the site certificate), and click on the 'View Certificate' button:
  

  

• Navigate to the 'Details' tab and click on the 'Copy to File' button:
  

  

• Follow the steps in the export wizard to save to file to your local machine in a folder of your choice. It may ask you in which format to save the certificate - keeping the default option works well:
  

  

• Save the certificate:
  

  

  
  
  You should get a 'success' message:
  

  

Steps in SAP

• Navigate to transaction STRUST.

• In the menu tree on the left, navigate to the node for SSL System Client for Anonymous connections, and double click on the server name under that node:
  

  

• At the bottom, on the left, you wil find a button to import a certificate:
  

  

• Using this button, import the signing certificate you saved in a previous step:
  

  

• The certificate details will be displayed on screen, but it has to be added to the certificate list by clicking on the button shown below:
  

  

  
  
  You should see a success message:
  

  

• Lastly, 'Save' the certificate (standard save button in the top toolbar) to make the addition of the certificate permanent. You should get this success message:
  

  

Testing your connection / endpoint

The simplest way to test that your endpoint has been configured correctly and that the certificate has been installed successfully is by using transaction /IQX/OL_ENDPOINT. Configure the endpoint, then use the 'Test Connection' button:

Before

After successful test:

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