diff --git a/doc/html/authplugins.shtml b/doc/html/authplugins.shtml
index 02c221822c5eb5f34c6a76130731acd2c1de80e6..782117ad6c93ef331512fbebf3daa8e364cde268 100644
--- a/doc/html/authplugins.shtml
+++ b/doc/html/authplugins.shtml
@@ -5,7 +5,7 @@
 <h2> Overview</h2>
 <p> This document describes SLURM authentication plugins and the API that defines 
 them. It is intended as a resource to programmers wishing to write their own SLURM 
-authentication plugins. This is version 100 of the API.</p>
+authentication plugins. This is version 90 of the API.</p>
 <p>SLURM authentication plugins are SLURM plugins that implement the SLURM authentication 
 API described herein. They must conform to the SLURM Plugin API with the following 
 specifications:</p>
diff --git a/src/common/slurm_auth.c b/src/common/slurm_auth.c
index 95880d165d1dc8eca30c8907ce1ae203fc84c562..1f18faa3b4add267821e1a7ec857b9369fe4a132 100644
--- a/src/common/slurm_auth.c
+++ b/src/common/slurm_auth.c
@@ -264,7 +264,8 @@ slurm_auth_generic_errstr( int slurm_errno )
                 { SLURM_AUTH_MEMORY, "memory management error" },
                 { SLURM_AUTH_NOUSER, "no such user" },
                 { SLURM_AUTH_INVALID, "authentication credential invalid" },
-                { SLURM_AUTH_MISMATCH, "authentication type mismatch" },
+                { SLURM_AUTH_MISMATCH, 
+		  "authentication type or verstion mismatch" },
                 { 0, NULL }
         };
 
diff --git a/src/plugins/auth/authd/auth_authd.c b/src/plugins/auth/authd/auth_authd.c
index af7b4142ab5408444934bab9b6a7d0734630a0b2..d4654e0cf71514ed246a6d05a3e35dbe5accafc5 100644
--- a/src/plugins/auth/authd/auth_authd.c
+++ b/src/plugins/auth/authd/auth_authd.c
@@ -65,7 +65,7 @@
 
 const char plugin_name[]	= "Brent Chun's authd authentication plugin";
 const char plugin_type[]	= "auth/authd";
-const uint32_t plugin_version = 100;
+const uint32_t plugin_version = 90;
 
 /*
  * Where to find the timeout in the argument vector.  This is set
diff --git a/src/plugins/auth/munge/auth_munge.c b/src/plugins/auth/munge/auth_munge.c
index b6027ed4b41891ccd5d2208f98bce3b62c78bbd0..4489dd8cfe4fe0fd7709f915605d95d3b6232769 100644
--- a/src/plugins/auth/munge/auth_munge.c
+++ b/src/plugins/auth/munge/auth_munge.c
@@ -76,7 +76,7 @@
 
 const char plugin_name[]       	= "auth plugin for Munge (http://home.gna.org/munge/)";
 const char plugin_type[]       	= "auth/munge";
-const uint32_t plugin_version	= 100;
+const uint32_t plugin_version	= 10;
 
 static int plugin_errno = SLURM_SUCCESS;
 
diff --git a/src/plugins/auth/none/auth_none.c b/src/plugins/auth/none/auth_none.c
index 6803a03dbe17802c3027360156a1cff9ca0897b5..c3216c1483184a0953f28b98f6d940522e43ef6c 100644
--- a/src/plugins/auth/none/auth_none.c
+++ b/src/plugins/auth/none/auth_none.c
@@ -96,7 +96,7 @@
  */
 const char plugin_name[]       	= "Null authentication plugin";
 const char plugin_type[]       	= "auth/none";
-const uint32_t plugin_version	= 100;
+const uint32_t plugin_version	= 90;
 
 
 /*
diff --git a/src/slurmdbd/proc_req.c b/src/slurmdbd/proc_req.c
index a052d53970038c188d8d273db7f90d07c90c6407..6ccafcc29f54c739ec8e887669c4259429714f4f 100644
--- a/src/slurmdbd/proc_req.c
+++ b/src/slurmdbd/proc_req.c
@@ -1533,7 +1533,7 @@ static int _init_conn(slurmdbd_conn_t *slurmdbd_conn,
 	int rc = SLURM_SUCCESS;
 
 	if ((rc = slurmdbd_unpack_init_msg(slurmdbd_conn->rpc_version, 
-				     &init_msg, in_buffer, 
+					   &init_msg, in_buffer, 
 					   slurmdbd_conf->auth_info))
 	    != SLURM_SUCCESS) {
 		comment = "Failed to unpack DBD_INIT message";