1 files changed, 4 insertions, 0 deletions
diff --git a/base/common/src/com/netscape/cmscore/usrgrp/UGSubsystem.java b/base/common/src/com/netscape/cmscore/usrgrp/UGSubsystem.java
index 034357b6e..6314c226f 100644
--- a/base/common/src/com/netscape/cmscore/usrgrp/UGSubsystem.java
+++ b/base/common/src/com/netscape/cmscore/usrgrp/UGSubsystem.java
@@ -646,6 +646,10 @@ public final class UGSubsystem implements IUGSubsystem {
             throw new EUsrGrpException(CMS.getUserMessage("CMS_USRGRP_ADD_USER_FAIL_NO_UID"));
         }
 
+        if (getUser(id.getUserID()) != null) {
+            throw new EUsrGrpException(CMS.getUserMessage("CMS_USRGRP_USER_ADD_FAILED_2", id.getUserID()));
+        }
+
         LDAPAttributeSet attrs = new LDAPAttributeSet();
         String oc[] = { "top", "person", "organizationalPerson",
                 "inetOrgPerson", "cmsuser" };