#define LDAP_SYNC_DELETE                               3
 #define LDAP_SYNC_NEW_COOKIE                   4
 
+/* LDAP Don't Use Copy Control (RFC 6171) */
+#define LDAP_CONTROL_DONTUSECOPY               "1.3.6.1.1.22"
 
 /* Password policy Controls *//* work in progress */
 /* ITS#3458: released; disabled by default */
 #define LDAP_CONTROL_MANAGEDIT                 LDAP_CONTROL_RELAX
 #define LDAP_CONTROL_SLURP                             "1.3.6.1.4.1.4203.666.5.13"
 #define LDAP_CONTROL_VALSORT                   "1.3.6.1.4.1.4203.666.5.14"
-#define LDAP_CONTROL_DONTUSECOPY               "1.3.6.1.4.1.4203.666.5.15"
 #define        LDAP_CONTROL_X_DEREF                    "1.3.6.1.4.1.4203.666.5.16"
 #define        LDAP_CONTROL_X_WHATFAILED               "1.3.6.1.4.1.4203.666.5.17"
 
 
                parseDomainScope, LDAP_SLIST_ENTRY_INITIALIZER(next) },
        { LDAP_CONTROL_DONTUSECOPY,
                (int)offsetof(struct slap_control_ids, sc_dontUseCopy),
-               SLAP_CTRL_GLOBAL|SLAP_CTRL_INTROGATE|SLAP_CTRL_HIDE,
+               SLAP_CTRL_GLOBAL|SLAP_CTRL_INTROGATE,
                NULL, NULL,
                parseDontUseCopy, LDAP_SLIST_ENTRY_INITIALIZER(next) },
        { LDAP_CONTROL_X_PERMISSIVE_MODIFY,