I can confirm that the user side, search ticket number is not working, you can search for subject and content. The agent side is working perfectly.Server InformationosTicket Versionv1.9.9-1-gbe2f138 (be2f138)Web Server SoftwareApache/2.2.22 (Debian)MySQL Version5.5.43PHP Version5.4.39-0+deb7u2