How to connect to remote farms in SharePoint Server?
We recommend that you use the instructions in Exchange trust certificates between farms in SharePoint Server to establish trust between the two farms. After the new connection is created, you must click OK to complete the procedure. Associate the new service application connection with a local Web application.
Can you publish service applications in a SharePoint server farm?
You can publish the following service applications in a SharePoint Server farm: Additionally, a SharePoint (N-1) farm can consume services from a SharePoint Server (N) farm but a SharePoint Server (N) farm cannot consume services from a SharePoint (N-1) farm.
Can you share a service application across farms?
For more information, see Connect to service applications on remote farms in SharePoint Server. You cannot share a User Profile service application across farms that reside in separate domains unless you first establish a domain-level trust between the two domains.
Why are server farms located in different domains?
If the server farms are located in different domains, the User Profile service application requires both domains to trust one another. For the Business Data Connectivity service and Secure Store service application administration features to work from the consuming farm, the domain of the publishing farm must trust the domain of the consuming farm.
How to connect to service applications in SharePoint Server?
Verify that you are a member of the Farm Administrators SharePoint group. On a server in the consuming farm, on Central Administration, click Application Management, and then click Manage service applications. On the ribbon, click Connect. On the Connect drop-down menu, click the kind of service application to which you want to connect.
How to add a service application to a farm?
Click the row that contains the name of the service application, and then select the check box to add the service application connection to the farm’s default list of service application connections (that is, the default proxy group). Click OK. You are prompted to change the connection name.