Article ID: 981268 - Last Review: October 6, 2011 - Revision: 2.0

The Office Communications Server 2007 R2 Outside Voice Control service crashes if Unified Communications Application Services triggers Event ID 32019

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SYMPTOMS

The Microsoft Office Communications Server 2007 R2, Outside Voice Control service crashes if Unified Communications Application Services triggers the following event:

Log Name: Office Communications Server
Source: OCS Application Server
Event ID: 32019
Task Category: (1055)
Level: Error
Description:
The application threw an exception when handling a settings event.
The application Microsoft.Rtc.Applications.Ccs was stopped because it threw the following exception while handling an event of type MSFT_SIPPoolSetting: System.ArgumentNullException: Value cannot be null. Parameter name: array at System.Array.ConvertAll[TInput,TOutput](TInput[] array, Converter`2 converter) at Microsoft.Rtc.Internal.CallControlServer.Core.Settings.TopologyConfigurationSection_ConfigurationChanged(Object sender, ConfigurationChangedEventArgs e) at Microsoft.Rtc.Hosting.ConfigurationSection.TriggerConfigurationChanged(ConfigurationChangedEventArgs e).
Cause: Unhandled exception.
Resolution:
Check the events prior to this to resolve the unhandled exception.

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RESOLUTION

To resolve this problem, install the following update rollup:

980372 (http://support.microsoft.com/kb/980372/ ) Description of the cumulative update package for Office Communications Server 2007 R2, Outside Voice Control: April 2010

After you apply this update, a check is added to check the pool list against Null values before the pool list is consumed.

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