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The Oracle Management Server (OMS) host and port specified via OMS_HOST and EM_UPLOAD_PORT is not available


The Oracle Management Server (OMS) host and port specified via OMS_HOST and EM_UPLOAD_PORT is not available.

1.0. error message:
Error Message: The Oracle Management Server (OMS) host and port specified via OMS_HOST and EM_UPLOAD_PORT is not available. Pass in a valid hostname and port number for the OMS to successfully deploy the agent.

1.1. deploy log:
Log: /opt/gc_inst/em/EMGC_OMS1/sysman/agentpush/2023-11-07_16-09-23-PM/applogs/dblivesrv_deploy.log

Execution of command cd /opt/agent/ADATMP_2023-11-07_16-09-23-PM;/opt/agent/ADATMP_2023-11-07_16-09-23-PM/agentDeploy.sh -ignorePrereqs ORACLE_HOSTNAME=dblivesrv AGENT_BASE_DIR=/opt/agent OMS_HOST=oemsrv.localdomain EM_UPLOAD_PORT=4903 AGENT_INSTANCE_HOME=/opt/agent/agent_inst b_doDiscovery=false START_AGENT=false b_forceInstCheck=true -force AGENT_PORT=3872 on host dblivesrv Failed

1.2. oms details:
[oracle@oemsrv ~]$ $OMS_HOME/bin/emctl status oms -details
Oracle Enterprise Manager Cloud Control 13c Release 5
Copyright (c) 1996, 2021 Oracle Corporation. All rights reserved.
Enter Enterprise Manager Root (SYSMAN) Password :
Console Server Host : oemsrv.localdomain – OMS_HOST
HTTP Console Port : 7788
HTTPS Console Port : 7803
HTTP Upload Port : 4889
HTTPS Upload Port : 4903 – EM_UPLOAD_PORT
EM Instance Home : /opt/gc_inst/em/EMGC_OMS1
OMS Log Directory Location : /opt/gc_inst/em/EMGC_OMS1/sysman/log
OMS is not configured with SLB or virtual hostname
Agent Upload is locked.
OMS Console is locked.
Active CA ID: 1
Console URL: https://oemsrv.localdomain:7803/em
Upload URL: https://oemsrv.localdomain:4903/empbs/upload


WLS Domain Information
Domain Name : GCDomain
Admin Server Host : oemsrv.localdomain
Admin Server HTTPS Port: 7102
Admin Server is RUNNING


Oracle Management Server Information
Managed Server Instance Name: EMGC_OMS1
Oracle Management Server Instance Host: oemsrv.localdomain
WebTier is Up
Oracle Management Server is Up
JVMD Engine is Up
[oracle@oemsrv ~]$

1.3. Solve:
Put 
Console Server Host: oemsrv.localdomain – OMS_HOST 
and 
HTTPS Upload Port: 4903 – EM_UPLOAD_PORT 
value in agent deployment config page on OEM server.
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