SharePoint 2016 - Part Seven – Build Trust Between Workflow Manager And SharePoint Farm

Before reading this article, please go through the previous parts.

Now, in this wiki article, we will add the Workflow Manager 1.0 Certificate into SharePoint trust. After this step, we will avoid almost all the errors related to certificates. This is also to build trust between the Workflow Manager farm and SharePoint farm.

This is two-step process, in step one, we will export the certificate from Workflow Manager server and in the second step, we will import that certificate into SharePoint and build a trust.

Before Beginning

Please make sure you are logged in on the server where workflow Manager has been installed with an install account.

Export the Workflow Certificate

Login on the Server with Install account(krossfarm\kfinst)
Open Internet Information Services(IIS) by typing the Inetmgr in the search window
In the Internet Manager expand the Sites (on left-hand side), Click on Workflow Manager Site, and on the right-hand side under actions click on bindings
On this Page, Select Https and Click on Edit
On this Page Under the SSL Certificate, click on View certificates
On this page click on Details tab
On this page Click Copy to File
On Welcome to the Certificate Export Wizard Click Next
On Export Private Key page please select, No, Do not export the private key and click Next
On export File Format page, Select Der encoded binary X.509(.cer) and click Next
On File to export page, please select the path where certificate will be save and Click Next
On Completing the Certificate export wizard, Click Finish
You will get a message "the export was successful," and click Ok

Move the File

Now move the Certificate to the SharePoint Server.

Import Certificate into SharePoint

Now Login on the SharePoint Server with Farm Admin account
Open the Central Admin Site
Click on Security and Click on Trust on right-hand side
On Trust page Click on New
On Establish Trust Relationship Page enter the following information
- Name of the Certificate
- Path of Certificate( where you save the certificate)
- Click Ok.
You will see your certificate added.

That's it, we successfully built the trust. Now move to the next step and register the workflow Proxy.