diff --git a/lib/krb5/krb5_err.et b/lib/krb5/krb5_err.et
index 5a5e04094..0c98576e9 100644
--- a/lib/krb5/krb5_err.et
+++ b/lib/krb5/krb5_err.et
@@ -35,8 +35,10 @@ error_code KEY_EXPIRED,		"Password has expired"
 error_code PREAUTH_FAILED,	"Preauthentication failed"
 error_code PREAUTH_REQUIRED,	"Additional pre-authentication required"
 error_code SERVER_NOMATCH,	"Requested server and ticket don't match"
+error_code KDC_ERR_MUST_USE_USER2USER, "Server principal valid for user2user only"
+error_code PATH_NOT_ACCEPTED,   "KDC Policy rejects transited path"
+error_code SVC_UNAVAILABLE, 	"A service is not available"
 
-# 27-30 are reserved
 index 31
 prefix KRB5KRB_AP
 error_code ERR_BAD_INTEGRITY,	"Decrypt integrity check failed"