A chain is only as strong as its weakest link – DNS Hijack Monitoring
It doesn’t really matter how much time your developers have spent writing secure code and how many layers of security you have implemented to protect your website from being hacked and defaced. Recent incidents have demonstrated that the bad guys will simply look for and find an easier way to hurt your business. Instead of […]
Fixing Exchange 2007 Offline Address Book generation (oalgen) and distribution issues
Today, I’m going to share some ‘notes from the field’ about fixing oab issues in Exchange 2007 In order to fully understand the oab generation and distribution process, I will assume that you are running the Mailbox server role and HUB/CAS server roles on different servers. Of course, this is not a requirement to run […]
Monitoring your network with Powershell
I have written a small powershell script that will help you to monitor various hosts on your network. Instead of using ping to see if a host is alive, this script will connect to tcp ports, so you can also monitor hosts behind firewalls (or hosts that cannot be pinged). In addition to this, you […]
Using custom/non-Performance Counter data to build graphs in Operations Manager 2007
It is pretty easy to use data collected by Performance monitors in Counter objects within OpsMgr 2007. You can create graphs, create rules/monitors alerts, etc But you can do the same with any type of information that can be gathered by e.g. a vbs vbscript Suppose you want to monitor the number of files in […]
Monitoring disk space utilization growth/increase with Operations Manager 2007
By default, Microsoft Operations Manager includes some monitors / rules that have the ability to monitor the disk utilization of system and/or data disks of your servers (and clients). This is a really nice feature, however there may be reasons why this kind of monitoring would still leave you one step behind of your users. […]
Monitoring modems with OpsMgr 2007
In this short post, I’ll explain one of the techniques to monitor whether a modem is listening for incoming calls on a machine, using Operations Manager 2007. Assuming that you may have some modems that get turned on when someone needs to dial in (for whatever reason), and *should* be disconnected afterwards. So you would […]
Monitoring Robocopy logfiles with Operations Manager 2007 (vbscript monitor)
One of the reasons why the company I work at has taken the decision to implement Operations Manager is because the daily task to go through a pile of interfacing and backup log files became too time consuming and demotivating for the people involved. Armed with Operations Manager and a basic vbscript, I have set […]
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As far as I know, there are no free Management Packs available for monitoring Juniper/Netscreen firewalls with Operations Manager 2007. Catching snmp traps and syslog events seems to be the only “easy”/free way to monitor what is going on on your Juniper devices. The following steps will need to be taken : Prepare the OS […]