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Required Framework Versions

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What framework versions do I need to have installed to use WCF?

There have been five framework versions released plus various service packs for each version.

- .Net framework 1.0 (up to SP3)

.Net framework 1.1 (up to SP1)
  • .Net Framework 2.0 (up to SP2)
  • .Net Framework 3.0 (up to SP2)
  • .Net Framework 3.5 (up to SP1)

WCF first shipped as a part of the 3.0 framework and had new features added in the 3.5 framework. Therefore, you need to have one of those two versions installed with any level of service packs to use WCF. If you’re using particular features added in one of the later versions or service packs, then that increases the minimum required version.

Because of the way the different versions are packaged, the 3.5 framework requires the 3.0 framework to be installed rather than duplicate all of its contents. Similarly, the 3.0 framework requires the 2.0 framework to be installed. The 1.0 and 1.1 framework versions can be uninstalled though without affecting your ability to run applications built for later versions.

Comments

  • Anonymous
    June 10, 2009
    Interesting Finds: June 10, 2009