Article ID: 2851419 - View products that this article applies to.
Assume that you create some mailbox databases in an environment that has Update Rollup 1 for Microsoft Exchange Server 2010 Service Pack 3 (SP3) installed. Exchange Mailbox servers are running continuously for at least 23 days. In this situation, you experience slow performance in some databases. Additionally, it takes longer than expected to view mailboxes by using Microsoft Outlook, Outlook Anywhere, or Outlook Web App (OWA).
Note You can use database counters in Performance Monitor to monitor the performance of databases. For more information about database counters, go to the following Microsoft website:
General information about mailbox server counters
This issue occurs because database cache distribution between the databases is irregular.
To resolve this issue, install the following update rollup:
(http://support.microsoft.com/kb/2866475/ )Description of Update Rollup 2 for Exchange Server 2010 SP3
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 2851419 - Last Review: August 13, 2013 - Revision: 1.0
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