Original setup working ok in DNS Cluster:
Server1 - Centos 6.8 32-bit cPanel WHM 56 BUILD 32
Server2 - Centos 6.8 32-bit cPanel WHM 56 BUILD 32
Server3 - Centos 6.8 32-bit cPanel WHM 56 BUILD 32
CHANGE OF ONE SERVER:
Server1 - Centos 7.2 64-bit cPanel WHM 58 BUILD 20
Server2 - Centos 6.8 32-bit cPanel WHM 56 BUILD 32
Server3 - Centos 6.8 32-bit cPanel WHM 56 BUILD 32
SERVER1 is no longer in DNS Cluster.
Why??
Server1 - Centos 6.8 32-bit cPanel WHM 56 BUILD 32
Server2 - Centos 6.8 32-bit cPanel WHM 56 BUILD 32
Server3 - Centos 6.8 32-bit cPanel WHM 56 BUILD 32
CHANGE OF ONE SERVER:
Server1 - Centos 7.2 64-bit cPanel WHM 58 BUILD 20
Server2 - Centos 6.8 32-bit cPanel WHM 56 BUILD 32
Server3 - Centos 6.8 32-bit cPanel WHM 56 BUILD 32
SERVER1 is no longer in DNS Cluster.
Why??