Century IT blog

Exchange 2003 Database Size Limits

January 18th, 2010

By default, Microsoft Exchange 2003 is preconfigured to limit the size of the Exchange Data file size to 16GB. If you have Microsoft Exchange 2003 SP2 installed you can use the registry to alter the 16GB limit to a larger size, anywhere up to 75GB. You can also add further registry keys that can:-


  • Warn you when the Database size reaches a preset limit

 Microsoft Small Business Specialist

  • Configure the preset time of day this Database size check occurs


All of the Registry Changes are made in the following location:-

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\<SERVER NAME>\Private-013e2e46-2cd7-4a8e-bfec-0e4652b94b00



For More Information, Visit Microsoft Technet at:-Microsoft Partner




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