Questions tagged [enterprise-manager]

Oracle Enterprise Manager is a web-based interface for controlling an Oracle database.

Oracle Enterprise Manager (OEM or, often, EM) is a web-based interface for controlling an database. It allows a Database Administrator to perform the majority of their tasks such as creating users, tablespaces, roles, jobs, etc. as well as including visual performance monitoring and analysis tools.

The latest version is 12c which is backwards-compatible to Oracle database versions 10 and 11.

This tag should be used for questions relating to the installation and use of this software.

19 questions
15
votes
5 answers

Oracle 12c Express Enterprise Manager webpage does not load

Problem summary When browsing to the Oracle 12c EM Express webinterface, the page times-out when using a URL like: http(s)://hostname:5500/em http(s)://hostname.domain:5500/em When using a url containing the IP address, or localhost, the page…
5
votes
2 answers

Oracle Enterprise Manager read-only access for non-administrative users

Can access to OEM be restricted to the point where you can allow a non-admin user access to it but they can't modify any objects but can still view performance data, alerts, sessions, etc? I am a former DBA now developer and I don't have an…
sukach
  • 183
  • 2
  • 7
5
votes
1 answer

What is Utility_DSN?

I'm not exactly sure when it happened, but I've started noticing that some of the hosts in my Enterprise Manager grid have a target named UTILITY_DSN. Does anyone know what this is? The one I noticed today appeared after reinstalling the agent. It…
DCookie
  • 572
  • 1
  • 4
  • 10
5
votes
2 answers

Oracle Enterprise Manager 11g dbconsole "Internet Explorer cannot display the webpage"

The dbconsole is configured and started, but when I navigate to it, Internet Explorer shows the page stating that "Internet Explorer cannot display the webpage". This is the error that means that IE received no response from the server at all. The…
Stuporman
  • 217
  • 1
  • 2
  • 10
4
votes
3 answers

Oracle Enterprise Manager (OEM) locking SYSMAN account

Why does Oracle Enterprise Manager reset my SYSMAN account to LOCKED(TIMED) status? I've tried rebuilding Enterprise Manager, and re-installation of Enterprise Manager, which always works, until the next reboot, and back to where we started...
Brian Deragon
  • 175
  • 1
  • 2
  • 10
2
votes
1 answer

Reorganize Objects in OEM - Host Credentials do not have enough privileges

When I try to re-organize objects from OEM (11g) and enter my host credentials (not "oracle"), I get the message: "An error occurred verifying the host credentials. Make sure the credentials are valid and that they specify an account with enough …
GregH
  • 279
  • 1
  • 5
  • 11
2
votes
0 answers

Oracle 12c Enterprise Manager Database Express Subsequent Installation on Windows Server 2012

I have an Oracle 12c database instance which was installed without the option for configuring the "Enterprise Manager (EM) Database Express" How can i install it subsequent for a running instance? The Database Configuration Assistant doesn´t give me…
claaser
  • 21
  • 1
  • 3
2
votes
1 answer

Enterprise Manager Database Control on host with an underscore in it's name

I know it sounds awkward, but Enterprise Manager is refusing to be set up because of an underscore in the server name: C:\>emca -deconfig dbcontrol db -repos drop STARTED EMCA um 30.05.2012 13:21:49 EM-Konfigurationsassistent, Version 11.2.0.0.2…
hal9000
  • 143
  • 6
2
votes
2 answers

"Unable to display page" with Oracle 12c Enterprise Manager Database Express

i'm using redhat 6, installed 12.1.0.2 of oracle and created a database. database (dev12ee1) is a non-container database, there is also an 11g database on the server (dev11ee1) lsnrctl status shows standard port of 1521 and 5500 lsnrctl…
1
vote
3 answers

Oracle 12c Express Enterprise Manager on Centos 6.5 is not reachable

I have Centos 6.5, and installed Oracle 12c. As dbca utility says after configuring new db, EM Express should be available on https://hostname:5500/em In fact, it is not. Neither on localhost nor by ip. I also did SQL> EXEC…
1
vote
2 answers

oracle active sessions waiting for scheduler

Load on my 11g RAC looks like this: and I don't understand how to get insight into what this "scheduler" wait class is. It seems like "scheduler" that it refers to is the process that runs scheduled maintenance jobs? But can I see which jobs they…
MK01
  • 451
  • 3
  • 11
  • 26
1
vote
1 answer

OEM 11g alerts and notifications arrive together

I setup the OEM with the Idea to receive Critical messages (emails when the DB, listener, agents and host are down/up) but it doesn't seem to be working. If I "shutdown abort" the database I wont received any message until I put it up and running,…
jcho360
  • 2,009
  • 8
  • 24
  • 31
1
vote
0 answers

What are the host credentials for Enterprise Manager 11g?

I am trying to use Database Replay in 11g Release 1 using Enterprise Manager. In the last step it asks for 'Host Credentials' to start the capture. But when I give the username and password for the host, it throws an 'Invalid username/password'…
Neal
  • 119
  • 4
1
vote
1 answer

Database tablespace space sizes and percent used

I am new to Oracle, and I am not quite understanding the size calculations shown in OEM under tablespaces. I know it should be simple and my well be. I need to monitor the table space but not sure what I am looking at. Should I go after the…
1
vote
1 answer

Oracle Enterprise Manager font problem, some text is displayed in Chinese and with squares

In Oracle Enterprise Manager 11g database control in the following section: Setup->Monitoring Templates->"Choose template name and click Edit button"->Policies tab Texts are displayed in Chinese language and squares. Like…
kupa
  • 1,737
  • 14
  • 39
  • 55
1
2