diff --git a/main.go b/main.go
index a62025a..b4a2786 100644
--- a/main.go
+++ b/main.go
@@ -11,7 +11,7 @@ import (
 
 func main() {
 
-	plugin_version := "0.2.3"
+	plugin_version := "0.3.0"
 
 	apiClientMeta := &pluginutil.APIClientMeta{}
 	flags := apiClientMeta.FlagSet()
diff --git a/plugin/path_config.go b/plugin/path_config.go
index 1c8e26f..b1c8bc7 100644
--- a/plugin/path_config.go
+++ b/plugin/path_config.go
@@ -2,9 +2,12 @@ package keystoneauth
 
 import (
 	"fmt"
+	"log"
+
 	"github.com/fatih/structs"
 	"github.com/hashicorp/vault/logical"
 	"github.com/hashicorp/vault/logical/framework"
+	"github.com/parnurzeal/gorequest"
 )
 
 func pathConfig(b *backend) *framework.Path {
@@ -51,6 +54,23 @@ func (b *backend) pathConnectionWrite(
 	connURL := data.Get("connection_url").(string)
 	adminAuthToken := data.Get("admin_auth_token").(string)
 
+	request := gorequest.New()
+	resp, _, errs := request.Get("http://"+connURL+"/v3/users/").
+		Set("X-Auth-Token", adminAuthToken).
+		Set("Content-type", "application/json").
+		End()
+
+		if errs != nil {
+			return nil, fmt.Errorf("", errs[0])
+		}
+		if resp.StatusCode != 200 {
+			return nil, fmt.Errorf("Can't connect to keystone, " +
+				"check configuration options :`connection_url` and `admin_auth_token`" +
+				" or authentication permissions for OpenStack Keystone")
+		} else {
+			log.Printf("Succesfully connected to: %s", connURL)
+		}
+
 	// Store it
 	entry, err := logical.StorageEntryJSON("config/connection", connectionConfig{
 		ConnectionURL:  connURL,