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License error when upgrading to EPiServer CMS 6 R2

If you are in the process of upgrading your site from CMS 6 to CMS 6 R2 be aware that some license keys for EPiServer CMS 6 won’t work with CMS 6 R2!

The reason is that the license is locked to version 6.0-6.0.9999, while CMS 6 R2 is version 6.1.379.0.

It is nothing a new license file from EPiServer won’t fix, but it is good to know about in advance before you deploy to production.


From on of my license files:

<VersionRestriction From="6.0" To="6.0.9999" Type="EPiServer..."/>


Thanks to @epibjorn who first brought it to my attention in a tweet.


Posted by

Sep 21, 2011
( By, 5/21/2012 10:59:34 PM)

Thanks for the post - found it when searching AFTER deploy to production. Nasty as devel and test environments licensed differently. :-(

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