tfa: add notes regarding cluster creation and tfa

[pmg-docs.git] / pmgconfig.adoc

diff --git a/pmgconfig.adoc b/pmgconfig.adoc
index eaf0cc027437d8b83b1a8370eef111cb0d196694..68ebae580d14ca2846b601672ee96ece4d3678d5 100644 (file)
--- a/pmgconfig.adoc
+++ b/pmgconfig.adoc
@@ -964,6 +964,10 @@ Two-Factor Authentication
 Users of the admin interface can configure two-factor authentication to
 increase protection of their accounts.
 
+NOTE: Joining a cluster, with enabled two-factor authentication for the
+`root` user is not supported - remove the second factor while joining the
+cluster.
+
 Available Second Factors
 ~~~~~~~~~~~~~~~~~~~~~~~~