Could not connect to the search application administration Web service for application '{1}' on server {0}. This error might ...

Could not connect to the search application administration Web service for application '{1}' on server {0}. This error might occur if the search administration Web service is configured incorrectly. Specifically, the IIS virtual directory on the server for this Web application might not exist. Confirm that the Microsoft SharePoint Foundation Timer service and Central Administration service are running on the affected server. If the problem persists, view the event logs on the affected server for more information.

Could not connect to server {0} for application '{1}'. This error might occur if the server is not responding to client requests, ... Could not connect to server {0}. This error might occur if the firewall or proxy configuration is preventing the server from ... Could not connect to the requested LOB system and so unable to create the requested Business Data Collaboration Workspace. ... Could not connect to the search application administration Web service for application '{1}' on server {0}. This error might ... Could not connect to the search application administration Web service for application '{1}' on server {0}. This error might ... Could not connect to the specified Project Server URL: {0}. If you have manually changed the Project Server URL for this ... Could not create a new task because a task with parentId:'{0}' is already active. Please ensure that the parentId specified ... Could not create any records from the XML document located at "|0". Check to make sure that the document exists, the path ... Could not create key: 2]. { System error 3].} Verify that you have sufficient access to that key, or contact your support ...