error when install sg for a existed cluster

sg/es version: 5.3.0

master node:

[c.f.s.c.IndexBaseConfigurationRepository] index ‘searchguard’ not healthy yet, we try again … (Reason: no response)

data node:

[c.f.s.a.BackendRegistry ] Not yet initialized (you may need to run sgadmin)

when excute sgadmin:

Search Guard Admin v5

Will connect to t1.master.bsearch.vipserver:9950 … done

LICENSE NOTICE Search Guard

If you use one or more of the following features in production

make sure you have a valid Search Guard license

(See Licensing | Search Guard Community, Enterprise and Compliance Edition)

  • Kibana Multitenancy

  • LDAP authentication/authorization

  • Active Directory authentication/authorization

  • REST Management API

  • JSON Web Token (JWT) authentication/authorization

  • Kerberos authentication/authorization

  • Document- and Fieldlevel Security (DLS/FLS)

  • Auditlogging

In case of any doubt mail to sales@floragunn.com

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Failfast is activated

Contacting elasticsearch cluster ‘elasticsearch’ and wait for YELLOW clusterstate …