diff --git a/htroot/ConfigAccounts_p.html b/htroot/ConfigAccounts_p.html
index 77de2476e..0d8ade6a9 100644
--- a/htroot/ConfigAccounts_p.html
+++ b/htroot/ConfigAccounts_p.html
@@ -23,6 +23,8 @@
     <p class="error">Passwords do not match.</p>
     ::
     <p class="error">Username too short. Username must be &gt;= 4 Characters.</p>
+    ::
+    <p class="error">Username already used (not allowed).</p>
     #(/error)#
     #(passwordNotSetWarning)#::<div class="error">No password is set for the administration account. Please define a password for the admin account.</div>#(/passwordNotSetWarning)#
 
diff --git a/htroot/ConfigAccounts_p.java b/htroot/ConfigAccounts_p.java
index ce975f801..d21ec6d4d 100644
--- a/htroot/ConfigAccounts_p.java
+++ b/htroot/ConfigAccounts_p.java
@@ -185,7 +185,11 @@ public class ConfigAccounts_p {
                 prop.put("error", "2"); //PW does not match
                 return prop;
             }
-
+            // do not allow same username as staticadmin
+            if (username.equalsIgnoreCase(sb.getConfig(SwitchboardConstants.ADMIN_ACCOUNT_USER_NAME,"admin"))) {
+                prop.put("error", "4");
+                return prop;
+            }
             final String firstName = post.get("firstname");
             final String lastName = post.get("lastname");
             final String address = post.get("address");
diff --git a/locales/master.lng.xlf b/locales/master.lng.xlf
index 6c75e9783..d337e90d8 100644
--- a/locales/master.lng.xlf
+++ b/locales/master.lng.xlf
@@ -843,6 +843,9 @@
     <trans-unit id="6ad966f5" xml:space="preserve" approved="no" translate="yes">
        <source>Username too short. Username must be &amp;gt;= 4 Characters.</source>
     </trans-unit>
+    <trans-unit id="1bf77769" xml:space="preserve" approved="no" translate="yes">
+       <source>Username already used (not allowed).</source>
+    </trans-unit>
     <trans-unit id="e79780cf" xml:space="preserve" approved="no" translate="yes">
        <source>No password is set for the administration account.</source>
     </trans-unit>