Summary
Validates whether a folder or database has been successfully registered with an ArcGIS Server site.
Syntax
ValidateDataStoreItem (connection_file, datastore_type, connection_name)
| Parameter | Explanation | Data Type | 
| connection_file | For a hosting server, provide the server URL or use the MY_HOSTED_SERVICES keyword. For a stand-alone server, an ArcGIS Server connection file (.ags) representing the server with which you want to register the data. | String | 
| datastore_type | The type of data being validated. 
 | String | 
| connection_name | The name by which the folder or database being validated is registered with the ArcGIS Server site. | String | 
| Data Type | Explanation | 
| String | 
Code sample
Prints the validity of all folders and databases registered with an ArcGIS Server site.
import arcpy
conn = "GIS Servers/MyConnection.ags"
for store_type in ["FOLDER", "DATABASE"]:
    print("Validating data store items of type {}".format(store_type))
    for i in arcpy.ListDataStoreItems(conn, store_type):
        validity = arcpy.ValidateDataStoreItem(conn, store_type, i[0])
        print("The data item '{}' is {}".format(i[0], validity))