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Error in uploading license



After filling in necessary information and clicking [Upload] button to upload license for the RC system, it seems that the license does not work. And in the email sent to user after booking a reservation, there is still a warning text telling that the license is invalid:


To deal with this issue, user has to manually assign permission to MachineKeys Directory.

Refer to this article for more details:


There are 2 situations when granting the permission:

  1. Resource Central is installed within a domain

AppPool run under Network Service account.

Go to MachineKeys Directory, set Write permission for Network Service account.

  1. Resource Central is installed without a domain (hosted RC)

Refer to KB 120 - How to run RC Web Application without Domain Controller.



Applies to: The error appears in all versions (but not for every customer)

Reference: TFS #3534, 15189

Knowledge base ID: 0032

Last updated: Feb 23, 2016

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