Lync Online contacts are lost or missing, or the contact list isn't updated

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Scenario 3: Lync Online contacts are lost or missing, or the contact list isn't updated
In rare cases, the contact list may be corrupted because of an invalid character in an "out of office" message or because a lingering deprovisioned contact exists. To resolve this problem, force a contact list update to make sure that your information is synchronized. To this, follow these steps:
  1. Locate one of the following folders, depending on your operating system:
    • For Lync 2013:
      • Windows 7 and Windows 8: %localappdata%\Microsoft\Office\15.0\Lync\sip_
    • For Lync 2010:
      • Windows 8, Windows 7, or Windows Vista: %localappdata%\Microsoft\Communicator\sip_
      • Windows XP: %userprofile%\Local Settings\Application Data \Microsoft\Communicator\sip_
  2. Delete the following files:
    • Galcontacts.db
    • galcontacts.db.idx
    • CoreContact.cache
    • ABS_.cache
    • Mfugroup.cache
    • PersonalLISDB.cache
    • PresencePhoto.cache
  3. Restart Lync, and then wait for 30 minutes for resynchronization to finish.

Comments

Unknown said…
Clearing the cache files worked like a dream! Thanks so much for posting this solution. FYI the path may vary a bit depending on version; I am using Lync 2010 on Office 2007. My path was: C:\Users\username\AppData\Local\Microsoft\Communicator\sip_username@domain
July 13, 2018 at 8:19 AM
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