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During this time while they thought a GUP was being used, all clients at this remote site were actually updating definition directly from the SEPM.We have here a very serious problem with Win10 Pro and SEP client. A few months later it was discovered that these systems have been decommissioned and replaced. We have run into scenarios where SEP administrators have configured remote client desktops as GUPs. If you have an environment where you have a separate LiveUpdate in your environment, the GUPs will not request definitions from this system.ĭepending on how clients are chosen to be GUPs, the antivirus team will need to be aware of any system decommissions.
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Group Update Providers work by requesting definitions from the SEPM directly. At this time GUPs do not offer this functionality. If you are trying to schedule updates to occur only at certain time periods through the day, this can only be achieved by using a LiveUpdate server. Depending on the mixture of operating systems within your environment, this is important to know.
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Linux and OSX clients will not use the GUP functionality at all.
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The most important thing to understand is that GUPs only work with Windows clients. Things you need to be aware of when using Group Update Providers Since the controls are in place to insure that definitions originate from a SEPM to the GUP this will not occur.
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This is a scenario where some people could believe that the environment would act in a full peer-to-peer fashion. In this scenario none of the agents will actually communicate with another GUP since a GUP can only retrieve updates from a SEPM. What it is going to do is require all clients to reserve more hard drive space because they will all save separate definitions to be available to any possible peers. However, this is not saving any bandwidth. In theory all clients in an environment can act as a GUP. Recently we had a customer ask if all systems could be GUPs. While some bandwidth could be recovered by putting a GUP on each subnet, the management of a large-scale GUP environment in a local LAN will likely take more time and effort than any nominal bandwidth savings.Ĭan all clients be defined as a Group Update Provider? Since differential updates are normally small, in an environment where all the traffic is on the same local LAN as the SEPM, it almost is never beneficial to use GUPs in this scenario.
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In this scenario one serious discussion should be if it is better engineered to have all clients retrieve their definitions directly through the Internet to Symantec’s public LiveUpdate servers. In some environments client communication will go over the WAN while Internet traffic will traverse through a cheaper local ISP. For sites with a very small number of clients, it is unlikely that a GUP would be needed.ĭepending on how you publish definitions within your environment, something else to consider is the difference between cheap and expensive bandwidth. This is the same whether you have ten clients over the remote WAN link or two hundred. On a subnet over a WAN link, you would have a single client retrieving definitions from the SEPM. While in the field we have seen clients use GUPs in different ways, the purpose of the GUPs was to reduce bandwidth requirements. These updates occur roughly three times a day on average. Once clients have been installed and operating normally the definition updates are normally between 40kb-200kb. A freshly installed client will take a few hundred megabytes to get updated to the latest definition set. To understand the bandwidth savings of using a GUP it is important to understand the amount of traffic generated by definitions updates. When should a Group Update Provider be used? This is to insure that definitions are available to the client even if GUPs are unavailable.
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If the client is not able to download the definition from the GUP due to the amount of time it takes or if the GUP is unavailable, it will then default to pulling definitions from the SEPM. On the next heartbeat interval the client will then download the definition from the GUP. If the GUP does not have a definition it will reach out to its defined SEP Manager and download the correct update. In an environment where a GUP is configured, clients designated to use GUPs will reach out on port 2967/TCP to see if there is a definition update available. The GUP technology in SEP allows administrators to designate client systems within the environment to distribute client definitions in a peer fashion. In this article we wanted to explore what a GUP is, how they can be useful, and proper implementation. X Symantec Endpoint Protection 14: Group Update Providers (GUP) The use of GUPs in your SEP environment can either be a useful tool or something that requires more management.