Microsoft Exchange Performance Counters
Microsoft Exchange Client Access Server OAB Download counters
The following table shows Client Access server offline address book (OAB) download counters.
| Counter Name | Description |
|---|---|
| MSExchangeFDS:OAB(*)\Download Task Queued | |
| MSExchangeFDS:OAB(*)\Download Tasks Completed | Shows the number of OAB download tasks completed since the File Distribution service started. The default value is every 480 minutes or 8 hours. |