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Operations Manager Licensing (Enterprise ML vs. Standard ML)

30/09/2010 Leave a comment

There is not much information that can help us understand which license we need for each monitored server; I noticed that recently when one of my customers asked me about it. He needed my help to know “what kind of licenses I need to buy?”
Operations manager have two types of management license (OML), the Enterprise Server ML (EML) and the Standard Server ML (SML). The question is what the differences between the two types?
If we look at System Center Operations Manager 2007 R2 Pricing web site we can see that Enterprise ML have the ability to monitor “any server workload or application” instead of “basic server workloads”. 
OK now it’s clear!? I don’t think so….
actually nothing is clear and I need to figure out what is basic workload!!!
(The reason I need to figure it out is the ML pricing, the value for EML is about 3 times then the SML, so why to buy EML?)
We need to take in mind that any host Operating System Environment (OSE) or guest OSE on a server will require an OML.Digging the web I found an article that tries to explain it. “System Center products are designed to manage workloads, including the operating system, file system, network services, security services and enterprise applications…..”
1. Standard (e.g. Configuration Manager 2007 Standard Server ML), intended for managing basic workloads, including the operating system, as well as storage (e.g. file/print) and networking.
2. Enterprise (e.g. Configuration Manager 2007 Enterprise Server ML), intended for managing advanced workloads like security or applications like Microsoft Exchange Server.
This means that with SML we can monitor the hardware and operating system health and we cannot monitor any application running on the server (Like Active Directory, IIS, SQL etc.), but what about monitoring a service health (up/down) on a server? do we need an EML for that ?

The SML includes the following server’s roles:
Networking servers (DNS, WINS, DHCP or Radius Server)
Storage/File/Print Servers (file sharing include – FTP,NFS,CIFS or SMB)

List of Management Pack for SML:
Windows Base OS
Windows Server Performance Advisor
Windows System Resource Manager
Microsoft Baseline Security Analyzer
Windows Print Server
Windows SharePoint Services (WSS)
Windows File Replication Service (FRS)
Windows DFS Service
Windows DNS Service
Windows DHCP Service
Windows Internet Name Service (WINS)
Windows Network Load Balancing (NLB)
Third-party or custom management packs for any of the above.All of these explain what type of license we need to buy when we have Microsoft Server Operating system, but when it comes to monitoring UNIX and Linux computers what type of OML we need to buy?  This is really a simple question and the answer is that we need to take in mind that any host Operating System Environment (OSE) or guest OSE on a server will require an OML. so Microsoft makes it simple. any OS needs OML, and the type are the same. If we intend to monitor an application on UnixLinux servers then EML will be required.What about Network Devices?
An OML is not required to manage network infrastructure devices that are only providing OSI Layer 3 or lower services (e.g. switches, hubs, routers, bridges, modems) But If a network device such as firewall, load balancing, or other workload services are being monitored than an OML is required just as if the device were a server. This is true even if we use the operations manager server as SNMP trap receiver or a SYSLOG server.

Summery: if we wish to monitor an application on a server then we need an EML license, but still i have some unanswered questions like,
what about monitoring a service health (up/down) on a server? do we need an EML for that ?
Hope this will help someone and I’m waiting to hear what do you think about it.

Categories: OpsMgr Tags: ,