# ipa-client-install --domain f19.ad.test --hostname client.f19.ad.test -p admin -w kokos123
Discovery was successful!
Hostname: client.f19.ad.test
Realm: F19.AD.TEST
DNS Domain: f19.ad.test
IPA Server: ipa.f19.ad.test
BaseDN: dc=f19,dc=ad,dc=test

Continue to configure the system with these values? [no]: y
Synchronizing time with KDC...
Successfully retrieved CA cert
    Subject:     CN=Certificate Authority,O=F19.AD.TEST
    Issuer:      CN=Certificate Authority,O=F19.AD.TEST
    Valid From:  Thu Apr 18 08:09:16 2013 UTC
    Valid Until: Mon Apr 18 08:09:16 2033 UTC

Joining realm failed: Host is already joined.

Installation failed. Rolling back changes.
Disabling client Kerberos and LDAP configurations
Redundant SSSD configuration file /etc/sssd/sssd.conf was moved to /etc/sssd/sssd.conf.deleted
Restoring client configuration files
nscd daemon is not installed, skip configuration
nslcd daemon is not installed, skip configuration
/etc/ipa/default.conf could not be removed: [Errno 2] No such file or directory: '/etc/ipa/default.conf'
Please remove /etc/ipa/default.conf manually, as it can cause subsequent installation to fail.
Client uninstall complete.

ipa-client-install
...
    Valid From:  Thu Apr 18 08:09:16 2013 UTC
    Valid Until: Mon Apr 18 08:09:16 2033 UTC

Joining realm failed: Host is already joined.
Use --force-join to forcefully join the server (overwrites client data on server)

...