diff --git a/db_scripts/diff/15789.down b/db_scripts/diff/15789.down
new file mode 100644
index 00000000..71dcdaa0
--- /dev/null
+++ b/db_scripts/diff/15789.down
@@ -0,0 +1,7 @@
+use provisioning;
+set autocommit=0;
+
+# disable on subscribers's preferences
+UPDATE voip_preferences SET usr_pref = 0 WHERE attribute = 'peer_auth_registrar_server';
+
+COMMIT;
\ No newline at end of file
diff --git a/db_scripts/diff/15789.up b/db_scripts/diff/15789.up
new file mode 100644
index 00000000..1415e0ef
--- /dev/null
+++ b/db_scripts/diff/15789.up
@@ -0,0 +1,7 @@
+use provisioning;
+set autocommit=0;
+
+# enable on subscribers's preferences
+UPDATE voip_preferences SET usr_pref = 1 WHERE attribute = 'peer_auth_registrar_server';
+
+COMMIT;
\ No newline at end of file