RNM

April 4, 2011

Oracle XE 11gR2 installation – “OracleXEService should not be installed already”

Filed under: oracle, windows, XE, XE 11gR2 — rmoff @ 09:09

Oracle XE 11gR2 beta has just been released, some details here and download here. It’s not a great deal of use for sandboxing DWH-specific stuff, given this list of excluded functionality (and this is by no means everything that’s not included):

  • Bitmapped index, bitmapped join index, and bitmap plan conversions
  • Oracle Partitioning
  • Parallel Data Pump Export/Import
  • Parallel query/DML
  • Parallel Statement Queuing

(source)

However, it’s always interesting to have to hand for trying out other things. And I like playing with new toys :)

On running the installer, I hit this problem:

"OracleXEService should not be installed already"

[...]

Checking for Oracle XE Service instance…:
Expected result : OracleXEService should not be installed already.
Actual result: OracleServiceXE found on system.
Check complete: The overall result of this check is failed.

The previous owner of the machine had installed Oracle XE 10, but I’d removed this:

No Oracle XE 10g listed in add/remove programs

Or so I thought:

OracleServiceXE still listed in Services

To remove the service entry, use the sc command:

sc delete OracleServiceXE

For good measure I did the same for OracleJobSchedulerXE.

Delete service entries using sc

After this, installation proceeded as normal.

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11 Comments

  1. Thank you! This was driving me nuts. I am glad someone smarter than me knew how to fix it.

    Comment by Mark — July 2, 2011 @ 02:39

  2. It’s kind of obvious that Oracle doesn’t ship the full product with all the options as free software.
    They do need to make a living.

    Comment by Richard Martens — July 29, 2011 @ 13:52

    • I’m not sure what your point is?
      It’s useful to know the difference in versions, and I’m just listing some of the pertinent ones to my area of work.
      I wasn’t suggesting that these features should be included.

      Comment by rnm1978 — August 1, 2011 @ 13:33

      • Robin,

        I’m sorry I misunderstood.

        I think I might be in need for a course “English” ;-)

        Regards,
        Richard

        Comment by rhjmartens — August 1, 2011 @ 13:56

      • No problem :-)

        Comment by rnm1978 — August 4, 2011 @ 09:05

  3. I also faced the same problem where existing pc already had oracle 10g EX installed. Follow yr step to delete the services and reinstall. It works. Thank you

    Comment by Glo — September 28, 2011 @ 07:11

  4. Thank you , I get this issue , and I do follow your post . it is fixed

    Comment by dzung — October 4, 2011 @ 08:57

  5. Thanks guys for ur help

    Comment by Praveen Dabas — October 7, 2011 @ 12:18

  6. [...] Oracle XE 11gR2 installation – “OracleXEService should not be installed already” [...]

    Pingback by Instalando mais de uma versão do Oracle XE no seu computador - Dimensão Tech — February 16, 2012 @ 11:31

  7. thank u very much this information very useful to me

    Comment by krishna — May 19, 2012 @ 19:05

  8. Wow cool it works like champs Many thanks to rnm1978

    Comment by Jags — May 21, 2012 @ 20:47


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