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Old 04-13-2008, 02:45 PM   #1
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Registered: Apr 2008
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join RHEL WS 4.6 workstation to SBS 2003 domain

I hope this is the correct forum to post this question. (Please help me.)

This is my first effort with Linux, Red Hat and otherwise.

I have an AMD64 3500+ desktop with 1.5 GB DDR2 memory running the RHEL WS 4.6 client workstation from installing the 5-set CD discs of RHEL WS AMD64 ISO version of Red Hat. It will be used to run a simulator software on a test subnet behind a router. The subnet behind the router contains the RHEL WS 4.6 workstation and a Windows Small Business Server 2003 SP1 server as an Active Directory Domain Controller.

I cannot get the RHEL WS 4.6 client to join the domain of the SBS 2003 server.

I selected the install EVERYTHING checkbox when installing RHEL WS 4.6.
I disabled SELinux during the setup of the workstation.
The firewall of the RHEL WS 4.6 client is disabled.
The firewall of the SBS 2003 server is disabled.
The date is the same on both computers and the time on the two computers are within 30 seconds of each other.
The SBS 2003 server has a static IP address, and I gave the RHEL WS 4.6 workstation a static IP address. (same subnet)
I added a host name in the 2003 AD Computers and Users for the RHEL WS 4.6 workstation.
I added both forward and reverse entries in the 2003 AD DNS.
I added a hosts entry for the SBS 2003 server on the RHEL WS 4.6 workstation.

The SBS 2003 server can ping the workstation by name and by IP address.
The workstation can ping the SBS 2003 server by name and by IP address.

Here are my edits for the smb.conf and for the krb5.conf files.


Here is what I added to the smb.conf file.
• /etc/samba/smb.conf

security = ADS
workgroup = DEMO
realm = DEMO.LOCAL


Here is what I added to the krb5.conf file.
• /etc/krb5.conf

ticket_lifetime = 24000
default_realm = DEMO.LOCAL
dns_lookup_realm = false
dns_lookup_kdc = false

kdc =
default_domain = demo.local

[domain_realm] = DEMO.LOCAL = DEMO.LOCAL


I stopped and restarted the SMB and WINBIND services.
I used this command to attempt to join the RHEL WS 4.6 workstation to the SBS 2003 server AD domain.
# net join ads -U Administrator
I even used the kinit command with the correct password for the Administrator and attempted the above command.
Both attempts always generate the same error message.
Host is not configured as a member server.
Invalid configuration. Exiting ....
Failed to join domain: Invalid domain role
Help will definitely be greatly appreciated. Thanks in advance.

Last edited by grumble99; 04-13-2008 at 08:30 PM.
Old 04-13-2008, 03:00 PM   #2
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Registered: Apr 2008
Posts: 3

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In my krb5.conf file, I have this.

[domain_realm] = DEMO.LOCAL = DEMO.LOCAL

I believe it should be changed to this.

.demo.local = DEMO.LOCAL
demo.local = DEMO.LOCAL

These are probably overkill.
Otherwise, I am going to try the authconfig tool from a terminal.
Plus, I will set promiscuous mode on the RHEL WS 4.6 workstation.
# ifconfig eth0 promisc
And, I will ensure that NetBIOS over TCP/IP is enabled for WINS on the SBS 2003 server (should already be enabled).

Does anyone have an opinion, suggestion or thought on this?

Last edited by grumble99; 04-13-2008 at 09:01 PM.
Old 04-14-2008, 10:15 AM   #3
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Registered: Apr 2008
Posts: 3

Original Poster
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I used this.

.demo.local = DEMO.LOCAL
demo.local = DEMO.LOCAL

Otherwise, I made sure I had everything right as discussed above on the RHEL WS 4.6 workstation.

Then, I used the "net join ads" command with the -w switch to join the RHEL workstation to the SBS 2003 AD domain. It worked. After that, in My Network Places on the Windows server computers in the SBS 2003 AD Domain, it now displays the information from (the smb.conf file in) the samba server string followed by host name enclosed in parenthesis, Samba Server version (host name).

Last edited by grumble99; 04-14-2008 at 10:18 AM.


ads, join, rhel, ws

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