diff --git a/src/com/sheepit/client/Server.java b/src/com/sheepit/client/Server.java
index 0ec1860..f170175 100644
--- a/src/com/sheepit/client/Server.java
+++ b/src/com/sheepit/client/Server.java
@@ -38,6 +38,7 @@ import java.net.CookieManager;
 import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.NoRouteToHostException;
+import java.net.UnknownHostException;
 import java.net.URL;
 import java.net.URLEncoder;
 import java.security.KeyManagementException;
@@ -267,6 +268,10 @@ public class Server extends Thread implements HostnameVerifier, X509TrustManager
 			this.log.error("Server::getConfiguration error ConnectException " + e);
 			return Error.Type.NETWORK_ISSUE;
 		}
+		catch (UnknownHostException e) {
+			this.log.error("Server::getConfiguration: exception UnknownHostException " + e);
+			return Error.Type.NETWORK_ISSUE;
+		}
 		catch (UnsupportedEncodingException e) {
 			this.log.error("Server::getConfiguration: exception UnsupportedEncodingException " + e);
 			return Error.Type.UNKNOWN;
@@ -504,6 +509,9 @@ public class Server extends Thread implements HostnameVerifier, X509TrustManager
 		catch (NoRouteToHostException e) {
 			throw new FermeServerDown();
 		}
+		catch (UnknownHostException e) {
+			throw new FermeServerDown();
+		}
 		catch (Exception e) {
 			StringWriter sw = new StringWriter();
 			PrintWriter pw = new PrintWriter(sw);