To correctly set the JET_paramLogBuffers value, JetStress uses the following information

  • For Exchange 2000, Exchange 2000 SP1, Exchange 2000 SP2, or Exchange 2000 SP3, set the value to 512.
  • For Exchange 2003, Exchange 2003 SP1, or Exchange 2003 SP2, set the value to 9000.

Reference: ESE log buffers that are set too low can cause the Information Store service to stop responding

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