Hi all! _1. Im running samba 3.0 with RH 9.0. I get error messages after successfull Domain-Logon to the Samba-Server. _ I have the following error messages : Jan 27 14:13:07 thinny smbd[8699]: [2004/01/27 14:13:07, 0] rpc_server/srv_pipe.c:api_pipe_netsec_process(1357) Jan 27 14:13:07 thinny smbd[8699]: failed to decode PDU Jan 27 14:13:07 thinny smbd[8699]: [2004/01/27 14:13:07, 0] rpc_server/srv_pipe_hnd.c:process_request_pdu(605) Jan 27 14:13:07 thinny smbd[8699]: process_request_pdu: failed to do schannel processing. _2. My Server is acting as a PDC._ Is there any wrong in my global section, my be the socket options??Here is my global section: [global] #Allgemeine Einstellungen f??r einen PDC workgroup = Linux netbios name = thinny server string = Test announce as = Linux PDC announce version = 3.0 domain master = yes preferred master = yes domain logons = yes local master = yes time server = yes os level = 33 #Authentifizierung smb passwd file = /etc/samba/smbpasswd #Passwort DB syncron halten passwd program = /usr/bin/passwd %u pam password change = yes passwd chat = *password* %n\n *password* %n\n *successfully* \n passwd chat debug = yes unix password sync = yes #Logfiles log file = /var/log/samba/%m.log #log level = 1 passdb:2 auth:20 max log size = 1024 #Security security = user restrict anonymous = no encrypt passwords = yes admin users = @domainadm guest account = nobody interfaces = 10.17.1.1 hosts allow = 127.0.0.1 10.17.1. 10.17.2. 10.17.3. 10.17.4. 10.17.5. 10.17.6. 10.17.7. 127. password level = 0 #Users Home Drive logon drive = u: logon path = \\%N\%u\profiles #Logon Scripts #logon script = %u%.bat logon script = logon.bat #Performance socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192