There's a specific error message NT_STATUS_ALIAS_EXISTS.

(This used to be commit f0d99f318c67852ac5bf9b606faa115ad36a5f80)

diff --git a/source3/rpc_server/srv_samr_nt.c b/source3/rpc_server/srv_samr_nt.c
index 35a6f37e1754ed6f2c2cbaf3f692219f861e11d0..70ae4d170e4276cd297b763c7de89309e3ed26f4 100644 (file)
--- a/source3/rpc_server/srv_samr_nt.c
+++ b/source3/rpc_server/srv_samr_nt.c
@@ -3964,7 +3964,7 @@ NTSTATUS _samr_create_dom_alias(pipes_struct *p, SAMR_Q_CREATE_DOM_ALIAS *q_u, S
 
        /* check if group already exists */
        if ( (grp=getgrnam(name)) != NULL)
-               return NT_STATUS_GROUP_EXISTS;
+               return NT_STATUS_ALIAS_EXISTS;
 
        /* we can create the UNIX group */
        if (smb_create_group(name, &gid) != 0)