All contacts may be missing when a user tries to look up a contact in Communicator or Lync
Published March 12, 2012 | 
When a user tries to look up a contact in Microsoft Office Communicator or Microsoft Lync in a dedicated Microsoft Online Business Suite environment, all contacts may be missing.
This issue may occur if the user was moved to a new domain.
To resolve this issue, contact Microsoft Online Services Support.
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All contacts may be missing when a user tries to look up a contact in Communicator or Lync
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