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(891641) - Describes a problem that occurs when you try to use the GetParentRuleGroup method from the MOM 2005 SDK. A hotfix is available.

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Microsoft Knowledge Base Article

This article contents is Microsoft Copyrighted material.
©2005-©2007 Microsoft Corporation. All rights reserved. Terms of Use | Trademarks
Article ID: 891641 - Last Review: December 4, 2007 - Revision: 2.8

The GetParentRuleGroup method does not return the correct rule group objects in Microsoft Operations Manager 2005

Hotfix download is availableHotfix Download Available
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SYMPTOMS

The Microsoft Operations Manager (MOM) 2005 Software Development Kit (SDK) .NET Framework class libraries include the GetParentRuleGroup method. However, this method does not return the correct rule group objects. For example, when you use the GetParentRuleGroup method to return an active RuleGroup object, the method may return a deleted RuleGroup object. If only one object is active, the GetParentRuleGroup method may return the last deleted object instead of returning the active object.
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CAUSE

This problem may occur when the Rule or RuleGroup object has one active parent rule group object and one or more parent RuleGroup objects that are marked as "Deleted". In this situation, a deleted RuleGroup object may be returned instead of the correct parent RuleGroup object. The GetParentRuleGroup method cannot correctly process instances where a rule or a rule group has multiple parent RuleGroup objects.
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RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Operations Manager 2005. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
905416  (http://kbalertz.com/Feedback.aspx?kbNumber=905416/ ) How to obtain the latest Microsoft Operations Manager 2005 service pack
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Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. 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 Web site:
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

No prerequisites are required.

Restart requirement

You may have to restart the computer if you do not quit the MOM Administrator Console before you install this hotfix. This hotfix will stop and then restart the MOM service.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel. 
   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   15-Feb-2005  02:51  5.0.2749.11       266,240  Microsoft.mom.sdk.dll  
   15-Feb-2005  02:49                        552  Policy.5.0.microsoft.mom.sdk.config
   15-Feb-2005  02:51  5.0.2749.11         3,584  Policy.5.0.microsoft.mom.sdk.dll
Note This is a managed assembly hotfix. This hotfix adds version 5.0.2749.11 of the Microsoft.Mom.Sdk.dll file in the Global Assembly Cache (GAC). The GAC lets many programs share assemblies. The GAC is automatically installed with the Microsoft .NET Framework. This hotfix updates the files in the following folders on the MOM Management Server:
  • %windir%\Assembly\GAC\Microsoft.Mom.Sdk\5.0.2749.11__31bf3856ad364e35
  • %windir%\Assembly\GAC\Policy.5.0.Microsoft.MOM.Sdk\5.0.2749.11__31bf3856ad364e35
You cannot view these directories by using Windows Explorer. To confirm that the hotfix is installed, follow these steps:
  1. Click Start, click Run, type cmd, and then click OK to open a command prompt.
  2. Change to the %windir%\Assembly folder.
  3. Type dir /a /s >c:\assembly.txt, and then press ENTER.
  4. Start Notepad, and then open the c:\Assembly.txt file.
  5. On the Edit menu, click Find, type 5.0.2749.11, and then click Find Next to find the \GAC\Microsoft.Mom.Sdk\5.0.2749.11__31bf3856ad364e35 and the \Policy.5.0.Microsoft.MOM.Sdk\5.0.2749.11__31bf3856ad364e35 folders.

Installation information

To install this hotfix, follow these steps on each MOM 2005 Management Server in your hierarchy:
  1. Copy MOM2005-RTM- KB891641-X86-ENU.EXE to a temporary folder on the MOM 2005 Management Server, or to a folder that is shared on the network.
  2. Run MOM2005-RTM- KB891641-X86-ENU.EXE, and then click Apply Microsoft Operations Manager 2005 Software Update. Make sure that you review the hotfix Release Notes before you install this hotfix. To review the Release Notes, click Review this Software Update Release Notes in the hotfix installer wizard. You can run MOM2005-RTM-KB891641-X86-ENU.EXE by using Windows Explorer or by using a command prompt.
Note We recommend that you close the MOM 2005 Administrator Console before you install this hotfix. If you run MOM2005-RTM-KB891641-X86-ENU.EXE while the MOM Administrator Console is running, you must restart the MOM 2005 Management Server to replace files that were being used.
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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Microsoft Operations Manager 2005 Service Pack 1.
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MORE INFORMATION

This hotfix introduces the following changes:
  • The GetParentRuleGroup method does not return RuleGroup objects that are marked as "Deleted".
  • The GetParentRuleGroup method generates a MomSdkException exception if more than one parent RuleGroup object exists.
  • A new method named GetParentRuleGroups is added to Rule and RuleGroup classes to correctly process instances where more than one parent RuleGroup object exists.
For more information about other problems that are resolved by Microsoft Operations Manager 2005 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:
905420  (http://kbalertz.com/Feedback.aspx?kbNumber=905420/ ) List of bugs that are fixed in Microsoft Operations Manager 2005 service packs
For more information about the MOM 2005 Software Development Kit (SDK), visit the following Microsoft Web site:
http://technet.microsoft.com/en-us/opsmgr/bb498241.aspx (http://technet.microsoft.com/en-us/opsmgr/bb498241.aspx)
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://kbalertz.com/Feedback.aspx?kbNumber=824684/ ) Description of the standard terminology that is used to describe Microsoft software updates
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APPLIES TO
  • Microsoft Operations Manager (MOM) 2005
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Keywords: 
kbautohotfix kbqfe kbhotfixserver atdownload kbgetsp kbbug kbopmanrules kbopmanmgmtpack kbopman2005spfix kbopman2005bug kbsdk kbperformance kbmisctools kbfix KB891641
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Giammin - giammin.blogspot.com Reported as Irrelevant  
Written: 9/6/2005 7:16 AM
i 've found a similar bug on mom2005 sdk, but i'm not shure if you do this: ComputersCollection computers = computerGroup.GetAssociatedComputers(); no computers are found can you tell me if this is a bug...my mail is giammin@gmail.com thanks



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