IPA replica installation failing with error "ERROR Unexpected system mask: 0027, expected 0022"

Solution Verified - Updated -


  • IPA replication installation failing with the error "DEBUG The ipa-replica-install command failed, exception: ScriptError: Unexpected system mask: 0027, expected 0022"


  • IPA 4.x
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content