On ti, 07 marras 2017, Pascal Ernster via FreeIPA-users wrote:

is it possible to use multiple operating systems (for example different
versions of Fedora and CentOS) at the same time on one and the same
computer, with the same IP address/hostname, with all of these OS
installations being valid FreeIPA clients at the same time?

Could this cause problems as every operating system gets its own
Kerberos TGT, its own SSH host keys, LDAP entries, etc?

In case it matters: I'm using the FreeIPA packages from the official
distro repos, which means that different OS installations may have
differing versions of the FreeIPA client and its dependency packages.

The use case would be a (hopefully) seamless distro upgrade, with an
easy fallback option for users if they experience problems with the new
distro release.
If they all have the same hostname, you are better to enroll and share
keytab across all configurations. To do so, enroll first time and then
specify /etc/krb5.keytab from that installation with ipa-client-install
-k option. See ipa-client-install man page for more details.
/ Alexander Bokovoy
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