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change DDIC pasword during the installation


How to delete the DDIC and SAP* entries in the database "Oracle".

I have the problem, to install the SAP system due to change the default password to tha master password. I have changed the both passwords for DDIC and SAP* to the master password manually.

BUT, I receive the error during the installation "Name or password is incorrect".

with the report "runRADDBDIF".

Thank you!


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2 Answers

  • Jul 17, 2007 at 09:12 AM

    Hi Axel,

    the error in step "run RADDBDIF" is not always related to wrong passwords (the error message gives a wrong hint here...).

    There are some other reasons which could cause the same error:

    - write failed to /usr/sap/trans

    - network problems, hostname inconsistency,...

    Please check that /usr/sap/trans is writable for your SAP system, also check your network settings (ping <hostname> should ping the IP-Adress, not 127.0.0.x; ping <IP-Address> should resolve to the proper hostname).

    Check the log files from your installation (dev_rfc, sapinst_dev.log) and post them here.

    Best regards,


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  • Sep 04, 2007 at 08:36 PM

    Forgive the vagueness with regards to any details, it's been several months:

    I had this happen due to a hostname problem during an SAP install (ECC 6.0). I ended up somehow locking out DDIC and SAP* while trying to log in via the GUI to fix DDIC's password (this was after a majority of the install had finished and the GUI would actually come up).

    The end solution was to delete the SAP* and DDIC users out of the USR02 table and stop the system and re-run the install. (It was smart enough to pick up where it had left off). There was some parameter in one of the profiles that I had to change related to the SAP* default user/password combo when it's missing from the USR02 table, I can't recall it at the moment, but remember the default being opposite to what in prior releases had been the less-secure setting (I'm sure another Basis person could tell you easily what parameter that is)).

    Hope this somewhat helps.

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    • Yes, that is the parameter I was trying to recall, and I agree this is a security risk to leave it changed, however it proved useful as a temporary change so we had not locked out SAP* and DDIC in the installation process and have to start all over. Once the installation is done, you'd want to change it back.

      I also forgot to mention, after deleting SAP* (or DDIC), you have to stop the installation/SAP system because the user is in the user context area of memory even though it is gone out of USR02.