Persistent Entry in Applicatioin Log -- Event ID 1147

Exchange 5.5 w/ SP4. The following Event ID is written to the Event Viewer's Application Log on my Exchange Server twice a day. Once at 10:00am and 3:00pm. I realized that my Storage Warnings are set to occur twice a day at these specific times. I was unable to find any information in TechNet

RE: Persistent Entry in Applicatioin Log -- Event ID 1147

Discussions Subject: Persistent Entry in Applicatioin Log -- Event ID 1147 Exchange 5.5 w/ SP4. The following Event ID is written to the Event Viewer's Application Log on my Exchange Server twice a day. Once at 10:00am and 3:00pm. I realized that my Storage Warnings are set to occur twice a day