Migrating discussions

Here are the migration details and migration notes for discussions.

Migration Overview

  • All the active discussion forums, topics, posts, user subscribers and attachments are migrated to CTF 17.11.
  • Attachment formats are retained.
  • All the discussion user subscribers in CEE are added to the Monitoring Users list in CTF 17.11.
  • Un-moderated and moderated discussions are migrated appropriately. However, the trusted discussions are migrated as moderated discussions and trusted subscribers as trusted users.
  • Approved and waiting-for-approval topics/posts are migrated as is.
  • Only those users who had the "Discussions - Discussion Use Private" permission in CEE can view the migrated private discussions in CTF 17.11.

This table shows how fields in CEE map to fields in CTF 17.11:

CEE CTF 17.11
Title Forum Name
Email address Email Address
Description Description
Restrictions Enable Moderation/Type
Discussion User Subscribers Monitoring Users
Un-moderated/Moderated Discussions Un-moderated/Moderated Discussions
Trusted discussions/trusted subscribers Moderated discussions/trusted users
Discussion Description Forum Description
Prefix Subject Prefix
Email Posting Enable Mailing List
Email Address Email Address
Footer Footer Text

While posting attachments via the user interface in CTF 17.11, attachments can only be posted one at a time. However, while posting using email, you can post multiple attachments.

This table lists the message posting mapping details:

CEE CTF 17.11
Subject Subject
Body Message
Attachments Attachments
Other Recipients Nil


  • The discussion mailing address format in CEE is forumalias@project.domain whereas in CTF 17.11 it is forumalias-project@domain.
    Note: Post-migration, the response emails to the existing CEE mailing address will be re-directed to the new CTF 17.11 mailing address and captured into appropriate mailing lists. However, it’s recommended to use the new CTF 17.11 mailing address for any new posts. The future releases of CTF 17.11 may not continue supporting the old mailing address compatibility.
    Tip: A CEE forum list name can start with a number or "_" and can also have "." and "-" characters, whereas, CTF 17.11 imposes certain naming conventions. So, if the toAddressUsername (list name) in CEE contains "." or "-", it is replaced with "_" in CTF 17.11. If it starts with "_" in CEE, the underscore is removed in CTF 17.11. If it starts with a number, post-migration, the number is replaced with the number in word, suffixed by an underscore. For example, "1team" mailing list address becomes "one_team" post-migration.
  • The posts made by guest users in CEE are migrated with their actual mail-ids being prefixed in their messages.
  • The Default Discussions feature is not available in CTF 17.11. The different default discussions (Issues/Commits) serve as archives for any change to issues/version control commits. These are migrated to CTF 17.11 but post-migration, these forums do not continue as archives.
  • Any form (approved/un-approved) of soft-deleted posts/topics/forums is not migrated to CTF 17.11 as CTF 17.11 does not have soft deletion feature.
  • The CJK file names are not preserved.
  • Subject Prefix and Footer text fields available in CEE's create page are mapped in CTF 17.11's edit page.
  • Email messages can not be blocked based on attachments in CTF 17.11.
  • In CEE, "Content in email" has two options: Send full text of posted messages and send email notification with link only. In CTF 17.11, send full text is the default email content behavior
  • In CEE, "Email notifications" has three options: Message-by-message, digest format and start page only. In CTF 17.11, email notifications are set to "message-per-change" by default.
  • In CEE, there is no character length restriction on "Topic Title", whereas, in CTF 17.11, it is restricted to 250 characters.
  • In CEE, subscription is allowed at the discussion level whereas in CTF 17.11, it is allowed even at the thread level.
  • CEE features that are not available in CTF 17.11 include: Default Discussions, Message size, Message Header, Soft deletion, Guest Posting, User Groups, Anonymous and Sub-list subscribers, Email Subscription, Other Recipients, Web Post CAPTCHA, Remove deleted messages and Remove unmoderated messages.
  • In CEE, "Reply Behavior" has four options: Reply to list, To sender only, specific header and do not reply to. In CTF 17.11, Reply to post is the only reply behavior available.
  • CTF 17.11 does not support CEE's advanced email filter options like mime types, headers, reject content.
  • In CTF 17.11, based on the user's permissions, web UI and/or web posting can be accessed.
  • By default, forum mailing list is displayed in CTF 17.11 as the display email address.