diff --git a/server/src/com/cloud/server/ConfigurationServerImpl.java b/server/src/com/cloud/server/ConfigurationServerImpl.java
index 420b1722e0f..513dbbf29bc 100755
--- a/server/src/com/cloud/server/ConfigurationServerImpl.java
+++ b/server/src/com/cloud/server/ConfigurationServerImpl.java
@@ -473,7 +473,7 @@ public class ConfigurationServerImpl implements ConfigurationServer {
         script.add("-dname", dname);
         String result = script.execute();
         if (result != null) {
-            throw new IOException("Fail to generate certificate!");
+            throw new IOException("Fail to generate certificate!: " + result);
         }
     }