diff --git a/ompi/mca/btl/udapl/btl_udapl.c b/ompi/mca/btl/udapl/btl_udapl.c
index 99f71100f0..853e596e33 100644
--- a/ompi/mca/btl/udapl/btl_udapl.c
+++ b/ompi/mca/btl/udapl/btl_udapl.c
@@ -96,6 +96,8 @@ static int udapl_reg_mr(void *reg_data, void *base, size_t size,
             &dat_size, &dat_addr);
 
     if(rc != DAT_SUCCESS) {
+        opal_show_help("help-mpi-btl-udapl.txt",
+            "dat_lmr_create DAT_INSUFFICIENT_RESOURCES", true);
         return OMPI_ERR_OUT_OF_RESOURCE;
     }
 
diff --git a/ompi/mca/btl/udapl/help-mpi-btl-udapl.txt b/ompi/mca/btl/udapl/help-mpi-btl-udapl.txt
index 0bebc8d609..1c214ca03f 100644
--- a/ompi/mca/btl/udapl/help-mpi-btl-udapl.txt
+++ b/ompi/mca/btl/udapl/help-mpi-btl-udapl.txt
@@ -10,7 +10,7 @@
 #                         University of Stuttgart.  All rights reserved.
 # Copyright (c) 2004-2006 The Regents of the University of California.
 #                         All rights reserved.
-# Copyright (c) 2006      Sun Microsystems, Inc.  All rights reserved.
+# Copyright (c) 2007      Sun Microsystems, Inc.  All rights reserved.
 #
 # $COPYRIGHT$
 # 
@@ -81,3 +81,9 @@ program fails.
 WARNING: The MCA parameter %s has been modified to a value,
 %d, which may not be sufficient. Try setting %s to %d if
 program fails.
+
+[dat_lmr_create DAT_INSUFFICIENT_RESOURCES] 
+
+WARNING: The uDAPL BTL is not able to register memory. Possibly out of
+allowed privileged memory (i.e. memory that can be pinned). Increasing
+the allowed privileged memory may alleviate this issue.