diff options
Diffstat (limited to 'source3/auth/auth_domain.c')
| -rw-r--r-- | source3/auth/auth_domain.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/source3/auth/auth_domain.c b/source3/auth/auth_domain.c index 9e5f32c9a3..947cd41a26 100644 --- a/source3/auth/auth_domain.c +++ b/source3/auth/auth_domain.c @@ -81,10 +81,19 @@ static NTSTATUS connect_to_domain_password_server(struct cli_state **cli, logonserver. We can avoid a 30-second timeout if the DC is down if the SAMLOGON request fails as it is only over UDP. */ + /* we use a mutex to prevent two connections at once - when a NT PDC gets + two connections where one hasn't completed a negprot yet it will send a + TCP reset to the first connection (tridge) */ + if (!message_named_mutex(server)) { + DEBUG(1,("domain mutex failed for %s\n", server)); + return NT_STATUS_UNSUCCESSFUL; + } + /* Attempt connection */ - result = cli_full_connection(cli, global_myname, server, &dest_ip, 0, "IPC$", "IPC", "", "", "", 0); + + message_named_mutex_release(server); if (!NT_STATUS_IS_OK(result)) { return result; |