Entries by Ingmar Verheij

OpsMgr: Enable Agent Proxy via Management Pack

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Author : Ingmar Verheij System Center Operations Manager (SCOM) agents are by default allowed to only return data from the same source. If the agent needs to submit data from another source, for instance in a cluster, the security feature ‘Agent Proxy’ needs to be enabled. By default this feature is disabled. If you create […]

OpsMgr: Choose source table based on date range

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Author: Ingmar Verheij When creating a report in System Center Operations Manager (SCOM) showing performance data you’ll need to make a decision about the data you’re going to show. Will you use raw data (Perf.vPerfRaw), hourly aggregated data (Perf.vPerfHourly) or daily aggregated data (Perf.vPerfDaily). Do you want to show detailed information or for a longer […]

OpsMgr: Where’s my management pack?

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Author: Ingmar Verheij After importing a management pack in System Center Operations Manager (SCOM) it might take a while until it is visible in the Operations Console. When developing a management pack (and especially when creating reports) this is frustrating since there are numerous reasons why the management pack isn’t working as expected. A common […]

Using objects as key in HashTable

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Author : Ingmar Verheij A HashTable can be used to store a collection of key/value pairs. The key object is used to uniquely identify the key/value pair which makes is easy to store data like a database. The type of the key object which is added to the HashTable is variable. It can be an […]

Event 5001, xennet6 after installing XenTools

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Author : Ingmar Verheij After installing the XenTools (version 6.0.0.50762) on a Windows Server 2008 R2 virtual machine, hosted on a Citrix XenServer 6.0 (build 50762p), the network connectivity degraded. Although I could connect to the machine via RDP the provisioning server was marked Down and XenDeskop services terminated unexpectedly. As a workaround you can […]

OpsMgr: Prevent warning event 21405

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Author : Ingmar Verheij A System Center Operation Manager (SCOM or OpsMgr) management pack might cause warning event with ID 21405. This event is raised when a script is run without returning any data.   Log Name:      Operations Manager Source:        Health Service Modules Date:          16-3-2012 16:14:26 Event ID:      21405 Task Category: None Level:         Warning Keywords:      […]

Overheating Dell Precision M4500 “the dust collector”

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Author : Ingmar Verheij I’m very happy with my Dell Precision M4500 equipped with Intel Core i7-740QM, 8GB RAM, nVidia Quadro FX 1800M and Seagate 500GB FIPS self-encrypting disk. But there’s one major setback; it overheats extremely quickly (as mentioned by TechRadar). This is especially true after a certain period of using the system. The […]

DataSet.ReadXML throws DirectoryNotFoundException

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Author: Ingmar Verheij A .NET application that reads a dataset from an XML using the DataSet.ReadXML method might throw the exception : System.IO.DirectoryNotFoundException: Could not find a part of the path ‘<path of XML file>’. According to MSDN this exception is thrown when when “part of a file or directory cannot be found” .However, this […]

Set DCOM remote access via PowerShell

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If you want to use the Delivery Services Console (the management console of Citrix XenApp 6.x) from a remote machine, you need to enable remote access in DCOM (as described in CTX131829). You can automate this via PowerShell using the script found below. Ingmar VerheijWas once an enthusiastic PepperByte employee but is now working at […]

Deploy Citrix Unattended: Receiver and plug-ins

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Author : Ingmar Verheij Most Citrix products can be installed unattended using command-line switches. This way you can automate the deployment of the product and decreases the administrative tasks (and prevents human errors). I’ve collected online resources per product group and wrote them down in this article. Is something missing or do you have an […]