Do you want to update the Certificate details for the App-based authentication in the DSD module for the 0365 connectors?

If the EXO certificate is about to expire, follow the below steps to generate and upload the new certificate. 

Step 1: From the homepage, click on manage connectors and then under the connectors section, choose Office 365. Click on the application name for which you need to update the certificate. Now under Authentication, try to find the Certificate details section. Added a screenshot for your reference.

Now you can choose, click here hyperlink to download a utility that would help you in updating the certificate

Step 2: The link will contain a zip named  Create-SelfSignedCertificate zip file. Extract the files in the Zip to your local system. 

Step 3: Now open Powershell in your system with administrator access and type cd <file path of the Create-SelfSignedCertificate> and press “Enter” button 

Step 4: Enter the following command on the powershell: .\Create-SelfSignedCertificate.ps1 -CommonName "" -StartDate -EndDate 

Note: Kindly enter the Details for CommonName ( inside the  “ “), start date(in the format of yyyy-mm-dd), and end date(in the format of yyyy-mm-dd)  and click the “Enter” button.

Step 5:You will be prompted to enter a password and press Enter. 

Note: The password which you entered should be remembered, please save it a notepad for reference because  you will have to enter the same password in the certificate password section

Step 6: The certificates will be downloaded in the path where you had the Create-SelfSignedCertificate.ps1

Step 7: Now go to the  O365 application (  created at Azure active Directory and select Certificates and secrets from the left pane. 

Step 8: Click on the Certificates tab and then click on Upload certificate. Upload the certificate from the local system (.cer file - This file is generated during our utility execution and it should be available in the path where you have the Create-SelfSignedCertificate.ps1 ) and then click add. The certificate will be uploaded to the Application in the Azure active directory.

Step 9: Now go back to the O365 application in the DSD module and click the Upload certificate icon and upload the .pfx file

Step 10: Now Enter the password that you have used in Step 5 under the Certificate password field and then test the connection. You will get a ticket connection succeeded pop-up

Note: Just in case if you see the Test connection failure pop-up download the error logs as mentioned in the below image, which will have the reason for which the connection had been failed