A solution is now available for a problem which might be encountered when moving a large number of mailboxes between Exchange servers (Knowledge Base article 899328).
When you move se...
Updated Jul 01, 2019
Version 2.0
Blog Post
No there is not a fix for Exchange 5.5 Luis. You may want to consider moving to Exchange 2003 since support for 5.5 will officialy end this year.