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Category Archives: Microsoft Operations Manager 2005
FreeSpace
A common question is why MOM don’t generate an alert when diskspace is out. “Run Storage State Monitoring” is a script that among other things check free space. This script has a couple of parameters that will affect when an alert is generated. If we look in the Base OS MP guide we will find the following text:
Alerts are generated based on the values that are set for the free-space thresholds. Values below the established thresholds trigger alerts. However, alerts for non-system and system drives are generated only when the values for both the free space megabytes and the free space percentage are below the configured thresholds.
This means that both values have to be fulfilled before an alert is generated. Default threshold is 500Mb on non-system disks and less that 10% free space. If you have a disk at 1GB total space, that disk has to have less than 100Mb free space before an alert is generated.
A solution can be to setup free percent to 100% and then control the alert with free Mb. You always  have less that 100% free disk. You can also setup free Mb to 9999999 and control the alert with free %.
You can change the parameters in Administrator Console
-Microsoft Operations Manager (MOM)
–Management Packs
—Scripts
—-Microsoft Windows Storage State Monitoring Script
—–Parameters
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Notification Workflow Solution Accelerator
Will you install MOM Notification Workflow Solution Accelerator? When you download it from Microsoft webpage you have the option to also download a hotfix. Do not install that hotfix until you have experience the issue. I have done some tests and it seems that if you don’t have the issue, you will get it if you install the hotfix.
Install NTWF according to the installation documentation that is included in the package. Then setup SMTP according to the MS KB. Â If you already have installed the hotfix and suspect that it is generating problems, uninstall it according to the last page in the document that is included in the package.
Book of the day
Book of the day is “Essential Microsoft Operations Manager”, from O’Reilly.Â
There is a lot of useful chapters in this MOM, it assume that the reader have some knowledge about MOM already. There is many useful examples and also a short chapter about SQL and how to operate and maintenance MOM databases.Â
Swedish online bookstore
http://www.adlibris.se/product.aspx?isbn=0596009534
More information about the book
http://www.oreilly.com/catalog/microsoftopmgr/
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MOM Prerequisites
Microsoft SQL Server 2000 SP3 or later. SQL Server 2000 SP3 or later not detected
MOM will halt during installation if SQL 2000 SP4 is installed. MOM require SP3 och don’t recognize SP4. If you run this file the version number will be change in the registry and installation will work. After installation you can run this file and change the version number back to SP4.Â
Swedish MOM sendlist
I have created a swedish sendlist with focus on Microsoft Operations Manager. Its a place for questions, tip-offs and ideas. You can easy sign up here. Remember, the sendlist is swedish.
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