AD Integration On RHEL 7/CentOS 7

Microsoft Windows Active Directory Integration on RHEL 7/CentOS 7

1. If YUM is configured, add the repository details, Otherwise subscribe RHEL 7 to the REDHAT.
2. # yum install sssd realmd oddjob oddjob-mkhomedir adcli samba-common samba-common-tools krb5-workstation openldap-clients policycoreutils-python -y
3. # yum install samba* -y
4. # setup
   1. Select Authentication Configuration
   2. Select Only Kerberos (no need to enable to Winbind and Use Winbind Authentication)
   3. Add the Domain Name – <Domain_Name> and Enable Use DNS to resolve Hosts and KDCs
   4. Finish
5. Add the resolv.conf details of nameserver and search domain

1. # realm join -v -U <Username> –computer-name=<Computername> <Domain_Name>
2. After joining a new file sssd.conf gets created automatically in /etc/sssd/sssd.conf
3. Edit the File and do the following change
   1. Change the use_fully_qualified_names from True to False
   2. Save and exit

# systemctl daemon-reload

# systemctl restart sssd

Make sure the services start without any errors – systemctl status sssd

Also, check the /etc/nsswitch.conf file for sss authentication

The User ID fetches from the windows Active Directory

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