Event ID - 188

Event Id188
SourceEse97
DescriptionMSExchangeIS (359) System parameter stop clean flush threshold (5700) is less than start clean flush threshold (9500).
Event InformationAccording to Microsoft :
CAUSE
This behavior can occur because the Buffer Threshold Low Percent value is missing from the following registry key:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeIS\ParametersSystem
RESOLUTION
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
To resolve this behavior, you must add the missing DWORD value in the following registry location:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeIS\ParametersSystem
1. Start the registry editor (Regedit.exe).
2. Open the following subkey:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeIS\ParametersSystem
3. Add the DWORD value: Buffer Threshold Low Percent.
4. Add a hexadecimal value of 3.
Reference LinksYou May Be Unable to Start the Information Store and Event Messages May Be Displayed

XADM: Information Store Does Not Start with ESE Event ID 188

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