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This bug is created as a clone of upstream ticket:
https://fedorahosted.org/freeipa/ticket/6168

I was able to uninstall the middle replica in line topology using 'ipa-server-install --uninstall' without specifying '--ignore-topology-disconnect'. [[BR]]
Topology looks like this:
master <-> replica1 <-> replica2

Replica1 was uninstalled successfully.
After replica uninstallation, the output of 'ipa topologysegment-find domain' did not change and looked like:
{{{
------------------
2 segments matched
------------------
  Segment name: replica2-to-replica1
  Left node: replica2
  Right node: replica1
  Connectivity: both

  Segment name: master-to-replica1
  Left node: master
  Right node: replica1
  Connectivity: both
----------------------------
Number of entries returned 2
----------------------------
}}}

The version of the freeipa packages is 4.4.0.201607260719GIT648b5af-0.fc24.x86_64

Expected behavior:

Uninstallation should fail and an error message should be displayed:
"Uninstallation leads to disconnected topology"

Related to replica promotion and topology management RFEs

Fixed upstream
master:
https://fedorahosted.org/freeipa/changeset/fea56fefff48b0d8eb147c2c2c511c869a1eadf0

Verified using IPA version::
ipa-server-4.4.0-12.el7.x86_64

Marking BZ as verified.

Created attachment 1202692 [details]
console.log

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-2404.html