" Failed to connect to Elasticsearch server" after upgrading from v29 -> v32

@rbkadiyam I encountered a similar issue while upgrading from v29 to v32 as well. I followed Article #000007733 to check for the counts and any duplicates, but stopped short of deleting any indices. Would that be the next recommended step, based on the message below?

Error message in WebCR.log file

{"error":{"root_cause":[{"type":"validation_exception","reason":"Validation Failed: 1: this action would add [10] total shards, but this cluster currently has [999]/[1000] maximum shards open;"}],"type":"validation_exception","reason":"Validation Failed: 1: this action would add [10] total shards, but this cluster currently has [999]/[1000] maximum shards open;"},"status":400}

Hi,

After upgrading my CR on-premise server the home dashboard is playing the message that can’t connect to Elasticsearch server, everything is working fine - just the dashboard is not working.

The information available at \ProgramData\AA\Logs\ is informing that “999/1000” shard are open.

“ 17T14:22:49.070+00:00","audit_format_version":4,"audit_request_remote_address":"127.0.0.1","audit_request_privilege":"indices:admin/auto_create","audit_node_host_address":"127.0.0.1","audit_request_effective_user":"es_client","audit_trace_indices":["metric_logs_20240401"],"audit_node_host_name":"localhost"} due to
org.opensearch.common.ValidationException: Validation Failed: 1: this action would add [10] total shards, but this cluster currently has [999]/[1000] maximum shards open;” 

Any suggestion is appreciated.