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Reprise Software Blog – Your Hub for Licensing Solutions Insights
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Licensing on Virtual Machines

Finding Ways to Tame Virtual Machines

Virtual Machine (VM) software has been a major factor in increasing computer utilization and efficiency. VM software allows users to segment a computer into multiple virtual systems, each with its own copy of an operating system that acts fully independent from the others. For software vendors, this “machine replication” can be a problem, one that can make profits virtual too.

Attack of the Clones

As the use of Virtual Machine (VM) software became more widespread, software vendors realized that by using VMs to replicate whole operating environments on a single host, users could also replicate (clone) the licensing system used to limit the number of licenses on that host. Since licenses are usually tied or node-locked to a host using the Ethernet hardware address, this means that users can also gain access to extra application licenses – in most cases exceeding the scope of their license agreement.

RLM on Virtual Machines

Software licensing vendors are helping ISVs address this issue. For instance, starting in v5.0 of Reprise License Manager™ (RLM), Reprise Software added the capability to disable node-locked licenses or license servers when running on virtual machines.

RLM detects VMs and disables license servers and other specially marked licenses. Disabling licenses on Virtual Machines is useful for node-locked, uncounted licenses in order to prevent these licenses from being used on multiple cloned systems within virtual machines.

By being able to disable licenses on VMs, software vendors can gain more control over how their software is used and priced. Software vendors can charge fair value for licenses that can run in a VM, matching the extra value and flexibility obtained in exchange for a potentially higher price. At the same time, some vendors might consider lowering the cost of licenses that are disabled on VM. This strategy is not unlike how some vendors use time-zone-limited licenses to reduce the cost of their basic license while charging higher fees for licenses that can span larger geographies.

Have it Your Way

Not all software vendors want to disable licenses under a VM. So, as with most RLM features, software vendors can turn this feature off, choosing not to limit licenses on VMs.

Because the license itself contains the parameter that controls whether it will or will not run under VM, vendors can deliver both kinds of licenses to their customers—disabled and non-disabled. This is important because it allows vendors to issue short-term VM-capable licenses for testing and evaluation purposes, but disabling other licenses for long-term production deployment.

Feel free to contact us via info@reprisesoftware.com to discuss how RLM works on virtual machines.

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Licensing Solutions: 5 Tech Trends That Will Shape Software Licensing in 2024

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Drug Development Company, Lixoft, Uses RLM

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Dealing with Activation Read Timeouts (error -105)

On rare occasions, an activation request will get a read timeout status return (-105). There are several causes to the RLM_EH_NET_RERR (-105) error. If you can activate from some systems, then the first cause (server down) is unlikely. More likely is that there

Reprise Blog

Licensing on Virtual Machines