Search Engine: Elastic

Article ID: 128001, created on Jan 9, 2016, last review on May 20, 2016

  • Applies to:
  • Operations Automation 5.5
  • Operations Automation 5.4


Going to CCP > Websites > > File Manager results in the following error:

Invalid backend configuration.
Readable volumes not available.

Testing FTP access by the website FTP user, the following error is displayed:

[root@web01 ~]# ftp
Connected to (
220 FTP Server ready.
Name ( ftp_user
331 Password required for ftp_user
530 Login incorrect.
Login failed.


The proftpd package installed on the web server is incorrect. OA uses customized proftpd package which has included files to accomodate virtual FTP users, and the login won't work with default proftpd package provided by OS vendor, as it uses the system /etc/passwd file.


  1. Backup /usr/local/pem/ftp/ directory.
  2. Remove the native OS proftpd package

    # yum remove proftpd
  3. Install the proftpd package provided by Odin

    # yum install proftpd*pem

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