Manage Excel Services data model settings (SharePoint Server 2013)
APPLIES TO: 
2013 
2016 2019 Subscription Edition SharePoint in Microsoft 365
Important
The steps in this article apply to SharePoint Server 2013 Enterprise.
Excel Services can use instances of SQL Server 2012 SP1 Analysis Services (SSAS) perform advanced data analysis calculations. This article describes how to register, edit, and unregister instances of SQL Server 2012 Analysis Services for use by Excel Services in performing these calculations.
Before you begin this operation, review the following information about prerequisites:
To perform these procedures, you must be member of the Farm Administrators group or an Administrator for the Excel Services service application that you are configuring.
The instance of SQL Server 2012 Analysis Services that you plan to use must be installed in SQL Server PowerPivot for SharePoint mode.
Register an Analysis Services server
Use the following procedure to register an instance of SQL Server 2012 SP1 Analysis Services (SSAS) with Excel Services.
To register an Analysis Services server
On the Central Administration home page, in the Application Management section, click Manage service applications.
On the Manage Service Applications page, click the Excel Services service application that you want to manage.
On the Manage Excel Services page, click Data Model.
Click Add Server.
In the Server Name box, type the name of the instance of SQL Server 2012 SP1 Analysis Services (SSAS) that you want to add.
Optionally, in the Description box, type a description for the server.
Click OK.
Edit Analysis Services server details
Use the following procedure to edit the server name or description for an instance of SQL Server 2012 SP1 Analysis Services (SSAS) that has been registered with Excel Services.
To edit Analysis Services server details
On the Central Administration home page, in the Application Management section, click Manage service applications.
On the Manage Service Applications page, click the Excel Services service application that you want to manage.
On the Manage Excel Services page, click Data Model.
Hover over the server that you want to edit, click the arrow that appears, and then click Edit.
Update the Server Name and Description as needed, and then click OK.
Unregister an Analysis Services server
Use the following procedure to remove an instance of SQL Server 2012 SP1 Analysis Services (SSAS) from Excel Services.
To unregister an Analysis Services server
On the Central Administration home page, in the Application Management section, click Manage service applications.
On the Manage Service Applications page, click the Excel Services service application that you want to manage.
On the Manage Excel Services page, click Data Model.
Hover over the server that you want to edit, click the arrow that appears, and then click Delete.
Click OK on the delete confirmation dialog.