If you've wanted to know more about why high item counts and restricted view requests can impact the performance of your Exchange environment, we've just released some detailed information about th...
Updated Jul 01, 2019
Version 2.0
Blog Post
- The fix server side was to allow for FindFastRow optimization. When the call came in from Outlook to request this view, the Information Store immediately switched to a SlowFindRow call. Once that occurred and due to the amount of items in the folder, it took a significant amount of time to generate this view. The store fix prevented the function call to switch to SlowFindRow.
- The client side fix removes doing expensive FindRow calls and the associated restriction that is created when this option is enabled.
Note: This only occurs in a online mode profile as cached mode profiles query the local OST instead of querying the store which is where the problem comes in.
In addition, if the client fix is installed, Exchange 2007 does not exhibit this problem since this optimization is already there.
- The client side fix removes doing expensive FindRow calls and the associated restriction that is created when this option is enabled.
Note: This only occurs in a online mode profile as cached mode profiles query the local OST instead of querying the store which is where the problem comes in.
In addition, if the client fix is installed, Exchange 2007 does not exhibit this problem since this optimization is already there.