Now Click on Install to begin the Hybrid Configuration Wizard
Click on Next
Select Detect the optimal Exchange server and Click on Next
Uncheck Use Current Windows Credentials if the System login and Service account both are different and enter the credentials and Click on NextNow, We need to create another TXT record needs to be created on the Public DNS Provider and Verify the DNS ownership. Once Domain Ownership verified, Click Next
Select Configure my Client Access and Mailbox servers for secure mail Transport (typical) and Click Next
Select Client Access Server to create Recive connector for mail flow and click Next
Select SSL Certificate for the TLS Mail Flow between on-premises and Office365
Enter FQDN for On-premises
So far so good. Now it is fun time.. Yes it is..
Click on Update to update the Hybdrid configuration. It may take some time to complete depends on your onpremises Exchange and Active Directory.
Congratulations.. Hybrid deployment has been successfully configured