# The prerequisites on AS/400

Prior to setting up CDC in Redo/Archive log mode (journal) on AS/400, you need to verify the prerequisites as follows on your AS/400:

* the AS/400 user account for CDC must have \*ALLOBJ privileges or at least all of the following privileges:

  - CRTSAVF,

  - CLRSAVF,

  - DLTF,

  - RSTLIB,

  - DLTLIB,

  - CRTLIB,

  - CHGCMD,

  - FTP (access to the FTP port must be ensured),

  - READ access on journal receivers,

  - READ access on monitored AS/400 files,

  - READ/WRITE access on output library;

* the names of the files of interest should not exceed 10 characters;

* if the files of interest are already journalized, the journal must be created with option IMAGES (\*BOTH)

For further information about the setup of these listed prerequisites, see the manual of your AS/400 system.