Test Connection to the Migrator for Notes to SharePoint Import Service is failing in SharePoint 2013 environment (4331407)

Test Connection to the Migrator for Notes to SharePoint Import Service is failing in SharePoint 2013 environment

Test Connection to the Migrator for Notes to SharePoint Import Service is failing in SharePoint 2013 environment and getting the following error:

Unable to connect to the Migrator for Notes to SharePoint Import Service at 'http://<sharepoint web server>:8888/ImportSession.svc' due to the following error: 'Could not load file or assembly 'Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified.

Details:
System.ServiceModel.FaultException`1[System.ServiceModel.ExceptionDetail]: Could not load file or assembly 'Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified. (Fault Detail is equal to An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:
System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.SharePoint, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified