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join_samba4_as_additional_dc [2015/09/10 22:26] cbustillo [Joining the existing domain as a DC] |
join_samba4_as_additional_dc [2020/04/10 17:38] (current) |
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# samba-tool dns add IP-of-your-DNS _msdcs.redtic.uclv.cu 737506d0-bfe6-40c8-815d-08c3dff7a67f CNAME redtic-ad2.redtic.uclv.cu -Uadministrator | # samba-tool dns add IP-of-your-DNS _msdcs.redtic.uclv.cu 737506d0-bfe6-40c8-815d-08c3dff7a67f CNAME redtic-ad2.redtic.uclv.cu -Uadministrator | ||
</code> | </code> | ||
+ | |||
+ | ===== Configure DNS Server ===== | ||
+ | |||
+ | Follow the steps in [[samba4_as_ad_dc#configure_dns|configure DNS Server.]] | ||
Now is time to put a "nameserver" entry of your new DC in your '/etc/resolv.conf'. Example: | Now is time to put a "nameserver" entry of your new DC in your '/etc/resolv.conf'. Example: | ||
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You can seize all five roles: rid, schema, naming, pdc and infrastructure (you can use "--role=all" to seize all at once). | You can seize all five roles: rid, schema, naming, pdc and infrastructure (you can use "--role=all" to seize all at once). | ||
+ | |||
+ | ====== Known issues and ways to fix/workaround ====== | ||
+ | ---- | ||
+ | |||
+ | If after join Samba4 as second domain controllers you receive the following error in the second DC in the logs file o after running manually "samba_dnsupdate --verbose": | ||
+ | |||
+ | <code> | ||
+ | /usr/sbin/samba_dnsupdate: update failed: NOTAUTH | ||
+ | /usr/sbin/samba_dnsupdate: update failed: NOTAUTH | ||
+ | /usr/sbin/samba_dnsupdate: update failed: NOTAUTH | ||
+ | /usr/sbin/samba_dnsupdate: update failed: NOTAUTH | ||
+ | /usr/sbin/samba_dnsupdate: update failed: NOTAUTH | ||
+ | /usr/sbin/samba_dnsupdate: update failed: NOTAUTH | ||
+ | </code> | ||
+ | |||
+ | To solve the above, in the second DC (recently joined) put like dns server the DC1's IP address, ie: | ||
+ | /etc/resolv.conf | ||
+ | |||
+ | <code> | ||
+ | search yourdomain.com | ||
+ | nameserver ip-of-dc2 | ||
+ | nameserver ip-of-dc1 | ||
+ | </code> | ||
+ | |||
+ | Finally restart Samba o run: | ||
+ | |||
+ | <code> | ||
+ | # samba_dnsupdate --verbose | ||
+ | </code> | ||
+ | |||
+ | No you can see that all record are added successfully!!! | ||
====== A note on DNS updates ====== | ====== A note on DNS updates ====== |