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Article ID: 2685867 - Last Review: April 11, 2012 - Revision: 3.0

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SYMPTOMS

After you updated a server that is running Windows Small Business Server 2011 Essentials with the Update Rollup 2 for Small Business Server 2011 Essentials, you receive the warning "Computer Monitoring Error" in the Small Business Server 2011 Essentials Launchpad or Dashboard. You receive this warning every 30 minutes.

This happens after the system installs Update Rollup 2. You find the following exceptions in the SharedServiceHost-AlertServiceConfig.log file.
120222.003152.9814: NetworkHealthEngine: Exception happened in Microsoft.WindowsServerSolutions.NetworkHealth.Engine.BinaryActionDefinition: System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.WindowsServerSolutions.Servicing.Alerts.MacClientUpdateCondition.Run(IActionContext context)
Additionally, this can occur when you have removed a previously connected network computer from the server.

The log file is located in the following folder:
%Programdata%\Microsoft\Windows Server\Logs
You do not receive a warning reminding you to update your Mac client connector. There is no effect on other alerts or product features.

CAUSE

This occurs when one of the Alert evaluation components in Small Business Server 2011 Essentials tries to iterate through the records of all client computers in the network. It throws an unhandled exception when the component accesses the record of a client computer that was removed.

RESOLUTION

File information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To install this hotfix, you must have Windows Small Business Server 2011 Essentials installed on the server.

Registry information

To apply the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Update replacement information

This hotfix does not replace a previously released hotfix.

Removal information

To remove this hotfix, use the Add or Remove Programs item in Control Panel. Additionally, you must uninstall the client-side package (KB 2686872) from all client computers.

Hotfix file information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time (DST) bias. The dates and times may also change when you perform certain operations on the files.
For all supported x64-based versions of Windows Small Business Server 2011
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Alertsview.resources.dll6.1.8800.1639666,43230-Mar-201222:58x86
Collapsiblecontrol.resources.dll6.1.8800.1638514,20803-Mar-201103:01x86
Dashboard.addintabs.resources.dll6.1.8800.1638510,62403-Mar-201103:01x86
Dashboard.forms.resources.dll6.1.8800.16396267,13630-Mar-201222:58x86
Dashboard.resources.dll6.1.8800.1639613,18430-Mar-201222:58x86
Servicingalerts.dll6.1.8800.1639616,76830-Mar-201221:39x86

MORE INFORMATION

For more information see the following document on the Social TechNet webpage:
http://social.technet.microsoft.com/wiki/contents/articles/7852.computer-monitoring-error-on-dashboard-or-launchpad.aspx (http://social.technet.microsoft.com/wiki/contents/articles/7852.computer-monitoring-error-on-dashboard-or-launchpad.aspx)

APPLIES TO
  • Windows Small Business Server 2011 Essentials
Keywords: 
kbhotfixserver kbbug kbfix kbprb kbqfe kbexpertiseadvanced kbsurveynew kbautohotfix KB2685867
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