Stored procedure execution on the source pool failed while moving user. (1) User: %1 Source Pool: %2 Error: 3 Additional ...

Stored procedure execution on the source pool failed while moving user. (1)

User: %1  Source Pool: %2  Error: 0x%3 Additional info: %4
Cause: Pool may be unreachable or Lync Server service may have stopped.
Resolution:
Please retry the move operation after fixing the problem with the pool.