Requested Messages No Longer Exist Error

Error

Some of the requested messages no longer exist.

Cause​

This error is caused by a well-known bug in the IMAP implementation used by your email server. This typically affects IMAP servers known as Scalix email servers.

Internally, each IMAP message is assigned a unique ID (UID). MigrationWiz retrieves UIDs from the Source server as a way to implement fast data retrieval. Because of the bug in some IMAP implementations, MigrationWiz is unable to retrieve UIDs from the IMAP server when a folder contains corrupt items.

Resolution

  • Upgrade Your IMAP Server
    Consider upgrading your IMAP server to a version that contains a fix for this bug.
  • Repair Mailbox Content
    Consider using the following command to repair mailbox content: onscan -Avfx -U "John Doe".
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