Oracle Enterprise Manager Installation and Configuraiton (OEM) 12C

Download Link:

Download Oracle Enterprise Manager from the following link:

http://www.oracle.com/technetwork/oem/enterprise-manager/downloads/index.html

Latest version as of Today is :

Oracle Enterprise Manager Cloud Control 12c Release 3 (12.1.0.3) for Windows x86-64 (64-bit)

Run this on db for avoiding following errors:

ALTER SYSTEM SET processes=300 SCOPE=SPFILE;
ALTER SYSTEM SET session_cached_cursors=200 SCOPE=SPFILE;
ALTER SYSTEM SET sga_target=2G SCOPE=SPFILE;
ALTER SYSTEM SET shared_pool_size=600M SCOPE=SPFILE;
ALTER SYSTEM SET pga_aggregate_target=1G SCOPE=SPFILE;
ALTER SYSTEM SET job_queue_processes=20 SCOPE=SPFILE;

commit; 

and restart db. 

Errors: 

Check the processes instance parameter value

The processes instance parameter needs to be set to at least 300.

Check the memory_target instance parameter value.

Oracle recommends setting either memory_target (AMM) or sga_target (ASMM) to manage the EM repository instance memory.

Check the session_cached_cursors instance parameter value.

The session_cached_cursors instance parameter should be set to any value between 200 and 500, inclusive, will be accepted.

Check the shared_pool_size instance parameter value.

The shared_pool_size instance parameter should be set to at least 300000000 bytes or roughly one third of the sga_target size.

Installation Steps: 

                            

To avoid following errors run the sql scripts provided above.

Thanks!!!