Central Administration site High Availability

Central Administration High Availability To make Central Administration highly available, we need to start it on the second SharePoint server.

1. To do this, in Central Administration, navigate to Manage services on server.

2. Select the second server from the Server drop-down,

3. and then Start the Central Administration service.

Once the service is started, modify the IIS binding and select the SharePoint Central Administration SSL certificate installed earlier, along with specifying the hostname shown in below.

At this point, Central Administration is ready to be placed behind a Load Balancer. Any A record for the Central Administration FQDN may now be pointed at the Load Balancer when configured.

For example :

Please check below three blog series related to SharePoint Central Admin High Availability Secure site on Custom port i.e. 443:

1. Convert SharePoint CA site to FQDN SSL

2. Convert SharePoint CA site port from 2019 to 443

3. Central Administration site High Availability