A Common Issue which everyone usually faces, while new installation of Agent on any server. ¬†Agent is up and running but still status is not up in EM Console show “METRIC COLLECTION ERROR”.

Check on the server and perform following steps to resolve this Issue.

D:\oracle\product\agent12c\agent_inst\bin>emctl status agent
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.
—————————————————————
Agent Version : 12.1.0.4.0
OMS Version : 12.1.0.4.0
Protocol Version : 12.1.0.1.0
Agent Home : D:/oracle/product/agent12c/agent_inst
Agent Log Directory : D:/oracle/product/agent12c/agent_inst\sysman\log
Agent Binaries : D:\oracle\product\agent12c\core\12.1.0.4.0
Agent Process ID : 5632
Parent Process ID : 10516
Agent URL : https://HANXXX.TEST.com:3872/emd/main/
Local Agent URL in NAT : https://HANXXX.TEST.com:3872/emd/main/
Repository URL : https://HANXXX.TEST.com:4904/empbs/upload

Started at : 2015-05-13 18:35:17
Started by user : HANXXX3$
Operating System : Windows version 6.1 (amd64)
Last Reload : (none)
Last successful upload : 2015-05-13 18:35:45
Last attempted upload : 2015-05-13 18:35:45
Total Megabytes of XML files uploaded so far : 0
Number of XML files pending upload : 0
Size of XML files pending upload(MB) : 0
Available disk space on upload filesystem : 50.84%
Collection Status : Collections enabled
Heartbeat Status : Ok
Last attempted heartbeat to OMS : 2015-05-14 14:17:49
Last successful heartbeat to OMS : 2015-05-14 14:17:49
Next scheduled heartbeat to OMS : 2015-05-14 14:18:49

—————————————————————
Agent is Running and Ready

D:\oracle\product\agent12c\agent_inst\bin>emctl upload agent
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.
—————————————————————
EMD upload completed successfully

D:\oracle\product\agent12c\agent_inst\bin>emctl verifykey
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.

—————————————————–
verifykey: Successfully Completed communication with agent
EMD pingOMS completed successfully

—————————————————–

======================================================
But Still Agent Status was not showing UP in Console.
=====================================================

d:\oracle\product\agent12c\agent_inst\bin>emctl stop agent
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.
The Oracleagent12c1Agent service is stopping………….
The Oracleagent12c1Agent service was stopped successfully.

Deleted files from $ORACLE_HOME/sysman/emd/state and $ORACLE_HOME/sysman/emd/upload
D:\oracle\product\agent12c\agent_inst\bin>emctl clearstate agent
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.
EMD clearstate completed successfully

———————————————

D:\oracle\product\agent12c\agent_inst\bin>emctl secure agent
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.
Agent successfully stopped… Done.
Securing agent… Started.
Enter Agent Registration Password :
Agent successfully restarted… Done.
Securing agent… Successful.

——————————————-
D:\oracle\product\agent12c\agent_inst\bin>emctl config agent addinternaltargets
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.

——————————————-
D:\oracle\product\agent12c\agent_inst\bin>emctl config agent listtargets
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.
[agent12c1_2_HANXXX.TEST.com, oracle_home]
[HANXXX.TEST.com, host]
[HANXXX.TEST.com:3872, oracle_emd]

——————————————-
D:\oracle\product\agent12c\agent_inst\bin>emctl upload agent
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.
—————————————————————
EMD upload completed successfully

———————————————
D:\oracle\product\agent12c\agent_inst\bin>emctl status agent
Oracle Enterprise Manager Cloud Control 12c Release 4
Copyright (c) 1996, 2014 Oracle Corporation. All rights reserved.
—————————————————————
Agent Version : 12.1.0.4.0
OMS Version : 12.1.0.4.0
Protocol Version : 12.1.0.1.0
Agent Home : D:/oracle/product/agent12c/agent_inst
Agent Log Directory : D:/oracle/product/agent12c/agent_inst\sysman\log
Agent Binaries : D:\oracle\product\agent12c\core\12.1.0.4.0
Agent Process ID : 7188
Parent Process ID : 3536
Agent URL : https://HANXXX.TEST.com:3872/emd/main/
Local Agent URL in NAT : https://HANXXX.TEST.com:3872/emd/main/
Repository URL : https://HANXXX.TEST.com:4904/empbs/upload

Started at : 2015-05-14 15:27:47
Started by user : HANXXX3$
Operating System : Windows version 6.1 (amd64)
Last Reload : (none)
Last successful upload : 2015-05-14 15:32:38
Last attempted upload : 2015-05-14 15:32:38
Total Megabytes of XML files uploaded so far : 0.12
Number of XML files pending upload : 0
Size of XML files pending upload(MB) : 0
Available disk space on upload filesystem : 50.81%
Collection Status : Collections enabled
Heartbeat Status : Ok
Last attempted heartbeat to OMS : 2015-05-14 15:34:56
Last successful heartbeat to OMS : 2015-05-14 15:34:56
Next scheduled heartbeat to OMS : 2015-05-14 15:35:56

—————————————————————
Agent is Running and Ready

D:\oracle\product\agent12c\agent_inst\bin>

Finally The Agent was having Status up in Console.

Thanks

Deepak