App-V 5: On the LocationProvider and the IgnoreLocationProvider Feature

In a previous blog entry, (http://blogs.technet.com/b/gladiatormsft/archive/2014/12/10/app-v-5-on-the-packagesourceroot.aspx) I discussed the PackageSourceRoot override and how it can be used to control source content locations for packages. There is another option for overriding source content locations for App-V packages: the LocationProvider registry value located in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\AppV\Client\Streaming. This registry value is not designed to be changed or adjusted manually….

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App-V 5: On the PackageSourceRoot

One way App-V client administrators are able to centrally control and override content streaming locations has been through a client-based content-path override. In App-V 5, this is called the PackageSourceRoot configuration item. The PackageSourceRoot configuration item is used to override the Package URL of the individual package retrieved from the publishing server. Otherwise, the package…

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App-V 5: On Background Streaming

Several years ago, I wrote an article for the App-V team blog on the Autoload feature that was first introduced in App-V 4.5: http://blogs.technet.com/b/appv/archive/2009/07/28/understanding-the-autoload-feature-of-microsoft-app-v-4-5.aspx. The combinations and scenarios (not to mention, the potential network storms that could occur from post-upgrade default settings) yielded a necessary detailed explanation. The Autoload feature continues in App-V 5 in…

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On Troubleshooting HTTP Streaming

In App-V stream-to-disk scenarios where HTTP will be used as the streaming protocol, having some architectural knowledge under your belt will help you in troubleshooting adjustments or failures when attempting to stream or launch applications. Performance and Priority There are three types of requests. Each stream will be assigned a priority based upon the type…

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App-V 5: On Using BranchCache vs. Multi-Range with HTTP Streaming

Like with 4.6, App-V 5 uses HTTP Streaming – however – the functionality varies depending on client configuration. Two important items to be made aware of: App-V hooks into WinHTTP and shares the Internet Settings (i.e. what Internet Explorer uses.) This makes the App-V client adhere to the underlying settings with some minor exceptions. App-V…

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App-V 5: On App-V Nomenclature

As you may have figured out by now, App-V 5 has components that are referred to by multiple names depending on context. In some cases, App-V 5 basically takes the synonym concept to interesting levels. This can be misleading if misinterpreted. This can lead ISV’s and IT Pros down the wrong path with regards to…

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App-V 5: On Streaming

Now that Hotfix 4 for App-V 5.0 SP2 has been out now for several weeks, many of you have likely already seen our Updated Guidance for Performance Recommendations now available on Technet (http://technet.microsoft.com/en-us/library/dn659478.aspx.) It almost goes without saying that the new stream-to-disk model of populating individual state-separated sparse files at the native NTFS level yielded…

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App-V 5: On AddPackage and ConfigurePackage

The other day I was troubleshooting a package add issue where I was running into a brick wall that turned out to be an awfully simple solution. While troubleshooting this, it came to me that I have not really gone into much depth as to what happens during an AddPackage or a ConfigurePackage operation in…

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App-V 5: Be Careful Toggling Shared Content Store Mode

One of my colleagues in support let me know of an important note for those upgrading to App-V 5.0 Service Pack 2 Hotfix 4. It appears that the value for Shared Content Store (registry value SharedContentStoreMode in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\AppV\Client\Streaming or the same option using Set-AppvClientConfiguration) can be set back to 1 from 0 thus turning it…

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App-V 4.6: Configuration when Using Proxy Servers with HTTP Streaming

How App-V uses proxy settings will vary depending on configuration values. The values related to proxy configuration can be found under the HTTP subkey of the App-V networking configuration in the registry here: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SoftGrid\4.5\ Client\Network\Http orHKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\SoftGrid\4.5\ Client\Network\Http Simply put, you can sum up the options into this simple table below: Value ForceProxyAutoDetect  SkipProxyDetection Use IE…

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