--- orig/drupal-5.2/modules/system/system.install	2007-07-19 01:39:25.000000000 -0400
+++ patched/drupal-5.2/modules/system/system.install	2007-08-29 12:51:07.000000000 -0400
@@ -882,6 +882,8 @@
         UNIQUE (name)
       )");
 
+      db_query("SELECT setval('{role}_serial_rid_seq',".max(DRUPAL_ANONYMOUS_RID,DRUPAL_AUTHENTICATED_RID)."));");
+
       db_query("CREATE TABLE {blocks_roles} (
         module varchar(64) NOT NULL,
         delta varchar(32) NOT NULL,