How object GUIDs are created in Operations Manager and Service Manager

There are some questions on how the object GUIDs are calculated in Operations Manager and Service Manager when thinking about moving MPs to different Management Groups and/or side-by-side migration scenarios. Would the Groups created have the same GUIDs? When I talk about the GUID of an object, I am talking about the BaseManagedEntityId value of…

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Data Warehouse issues after upgrading OM 2012 SP1 to R2

After upgrading SC Operations Manager 2012 SP1 to R2 you might notice general problems related to the Data Warehouse component, including Reporting of course. This may happen in situations where on upgrade there is more than one AlertDetail_GUID table in the DW database and not all will get upgraded to get the 2 new columns -…

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Global Service Monitor not working because the remote certificate is invalid according to the validation procedure

When we install and use Global Service Monitor in System Center Operations Manager 2012, the Management Server(s) need to access the GSM site in Azure which will be using a certificate from Microsoft. The Management Server needs to trust this certificate and for this it needs to have in its computer certificate store, in Trusted…

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Bad OM Performance because State Change Events are not groomed out

IMPORTANT: Always perform a FULL Backup of the database before doing anything to it !!! ALSO: It is advised that you open a case at Microsoft before doing this – directly editing the database is not supported and you may find yourself in an unsupported state if anything goes wrong.   So I have encountered…

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Build-In User Role missing from Operations Manager 2012

Something strange happened recently where we tried to install OM 2012 Reporting, but that failed with the follwing error message logged into the installation log file: Warn: :Message:SRSPolicySetter SoapException Exception: System.Web.Services.Protocols.SoapException: The user or group name ‘{2537B367-6D74-4110-B0B5-1F51C1B1B09E}’ is not recognized. —> Microsoft.ReportingServices.Diagnostics.Utilities.UnknownUserNameException: The user or group name ‘{2537B367-6D74-4110-B0B5-1F51C1B1B09E}’ is not recognized.    at Microsoft.ReportingServices.WebServer.ReportingService2005Impl.SetSystemPolicies(Policy[] Policies)    at…

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Reducing the maximum number of OIDs queried in a single batch in OM 2012

Ran into a nice issue when actvating advanced network performance monitoring on a Cisco ASA firewall. In the Cisco system logs: “incoming SNMP request (# bytes) from IP address IP_ADDRESS and PORT PORT_NUMBER Interface “inside” exceeds data buffer size, discarding the SNMP request” This scenario can happen on some network devices in case that the…

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