Hi,
We are getting at least once a day the event ID: 90 ESE.
The errors started after Rollup 2 for Exchange 2010 SP3 was installed
All Exchange folders are excluded from file antivirus.
No Exchange third party anivirus/antispam installed on the box
No Backups are running at the time when the error occured
Log Name: Application
Source: ESE
Date: 9/25/2013 10:22:21 AM
Event ID: 906
Task Category: Performance
Level: Warning
Keywords: Classic
User: N/A
Computer: MAIL.DOMAIN.com
Description:
Information Store (7648) A significant portion of the database buffer cache has been written out to the system paging file. This may result in severe performance degradation.
See help link for complete details of possible causes.
Resident cache has fallen by 96031 buffers (or 20%) in the last 73816 seconds.
Current Total Percent Resident: 78% (371958 of 472631 buffers)
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="ESE" />
<EventID Qualifiers="0">906</EventID>
<Level>3</Level>
<Task>7</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2013-09-25T14:22:21.000000000Z" />
<EventRecordID>833904</EventRecordID>
<Channel>Application</Channel>
<Computer>MAIL.DOMAIN</Computer>
<Security />
</System>
<EventData>
<Data>Information Store</Data>
<Data>7648</Data>
<Data>
</Data>
<Data>96031</Data>
<Data>20</Data>
<Data>73816</Data>
<Data>78</Data>
<Data>371958</Data>
<Data>472631</Data>
</EventData>
</Event>
PS: I had run Exbpa with no relevent errors errors