Do you have the enhanced console installed? I forget what that is called. Anyway, I'd try this in a dev environment before doing it in production... Also, this should get installed with the CMDB Solution, so I have to ask, do you have that installed?
I exported my Add to Filter right-click menu option. Maybe you can import it into your console. Before you do, there are four items in bold, close to the bottom of the file, to edit the server name and URL to your server. Also, check your SMP version to make sure they match. Not sure if that will make a difference, but it may.
Save the text below the === as an XML file and then import it to your Right-click Menu. It is located here:
Settings=>All Settings, then Settings=>Notification Server=>Right-Click Menu
Right-click the Right-Click Menu folder, select Import, and then navigate to the XML file.
========================
<item guid="{682c43e1-01b5-46e3-b26f-8faf3d8f46e7}" classGuid="{ff783853-ac33-4e1e-83ea-2f1de8ff1d13}">
<!-- Type: Altiris.NS.StandardItems.ItemActions.GenericItemAction -->
<!-- Assembly: Altiris.NS.StandardItems, Version=7.1.8280.0, Culture=neutral, PublicKeyToken=d516cb311cfb6e4f -->
<name>Add To Filter</name>
<alias />
<productGuid>{ae83a505-ffe2-4188-a0ed-d15f994feb12}</productGuid>
<itemAttributes>Readonly, NoClone</itemAttributes>
<itemLocalizations>
<culture name="">
<description>Add the selected resource(s) to a filter.</description>
<name>Add To Filter</name>
</culture>
<culture name="de">
<description>Ausgewählte Ressource(n) einem Filter hinzufügen.</description>
<name>Zu Filter hinzufügen</name>
</culture>
<culture name="en">
<description>Add the selected resource(s) to a filter.</description>
<name>Add To Filter</name>
</culture>
<culture name="es">
<description>Agregar los recursos seleccionados a un filtro.</description>
<name>Agregar a filtro</name>
</culture>
<culture name="fr">
<description>Ajoute la ou les ressources sélectionnées à un filtre.</description>
<name>Ajouter à un filtre</name>
</culture>
<culture name="it">
<description>Assegnare le risorse selezionate a un filtro.</description>
<name>Aggiungi al filtro</name>
</culture>
<culture name="ja">
<description>選択したリソースをフィルタに追加します。</description>
<name>フィルタへの追加</name>
</culture>
<culture name="ko">
<description>선택한 리소스를 필터에 추가하십시오.</description>
<name>필터에 추가</name>
</culture>
<culture name="pt">
<description>Adicionar os recursos selecionados a um filtro.</description>
<name>Adicionar a filtro</name>
</culture>
<culture name="ru">
<description>Добавить выбранный ресурс (ресурсы) в фильтр.</description>
<name>Добавить к фильтру</name>
</culture>
<culture name="zh-Hans">
<description>将选定的资源添加到过滤器。</description>
<name>添加到过滤器</name>
</culture>
<culture name="zh-Hant">
<description>增加選取的來源至篩選器。</description>
<name>增加至篩選器</name>
</culture>
</itemLocalizations>
<originNS guid="{e107ee80-73b8-4c44-9411-934c494d8778}" name="ServerName.FQDN.com" url="http://ServerName.FQDN.com/Altiris/NS/" />
<target multiItemEnabled="True" type="VirtualWindow" actionUrl="/Altiris/AssetContractCommon/Dialogs/CreateCollectionFromResources.aspx" appendItemGuidsToUrl="False" actionDebugUrl="" windowSize="Medium" />
<actionImageUrl>/Altiris/images/icn16PowerTools.gif</actionImageUrl>
<requiredPermissions />
<itemClasses>
<class guid="e69f216f-78e8-44e4-94ef-f306a5b7c7b9" />
</itemClasses>
<parentFolderGuid>549f5383-e945-43d8-9de8-2ec12e30bef8</parentFolderGuid>
<sourceNS guid="{e107ee80-73b8-4c44-9411-934c494d8778}" name="ServerName.FQDN.com" url="http://ServerName.FQDN.com/Altiris/NS/" />
<security owner="{A37B14F2-54E8-4670-812C-7E0EBC6CD1BC}" inherit="False">
<aces>
<ace type="role" guid="2e1f478a-4986-4223-9d1e-b5920a63ab41" sid="{2E1F478A-4986-4223-9D1E-B5920A63AB41}" name="Symantec Administrators">
<permissionGrants>
<permissionGrant guid="{eca6254f-5017-4730-9b3f-5add230829b7}" name="Delete" />
<permissionGrant guid="{983a2d22-7a82-4db0-a707-52c7d6b1441e}" name="Read" />
<permissionGrant guid="{ac296df1-eb40-4592-899f-25d5c07d45f6}" name="Write" />
<permissionGrant guid="{819dae1e-b1a5-4643-81a1-26ef95feb8a8}" name="Change Permissions" />
<permissionGrant guid="{726b1c09-7108-450d-ae24-5f8e93135ed6}" name="Clone" />
<permissionGrant guid="{4ddc04c3-f0a5-4e88-84aa-c44c8c5ebcc4}" name="Read Permissions" />
</permissionGrants>
</ace>
</aces>
</security>
</item>