Connection Parameters

To login to a Wonderware Historian server, fill-in the following fields :

Historian connection parameters

If in the current session you have already connected to a Historian server, you can select it in the combobox below to auto-fill the Host Input.


This is the address of the SQL Server instance you need to access for the Wonderware Historian “Runtime” database. Possible values are :

  • (local) or localhost : local server
  • <NetBIOSName> : server named with a NetBIOS name
  • <IPv4Address> : server accessible through a IP v4 address
  • <IPv6Address> : server accessible through a IP v6 address
  • <server address>\<instance name> : connect to a specific instance. For SQL Express, it may be necessary to use <server address>\SQLEXPRESS
  • <server address>,1433 : 1433 is the default port for SQL Server, but can be changed like this

Username and Password

The Username and Password must be valid SQL credentials configured with Wonderware Historian.

At least, the SQL user must have read permissions to the Historian “ Runtime “ database.


When all fields are filled, click OK to create the Connection.

Connection errors

If a connection error happens, a pop-up window appears.

Historian connection error

Editing Connection

As with other Connection types, the Historian Connection can be modified later, see the corresponding chapter.

Last modified: Sep 13, 2021


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