Refreshing the access token gives you another refresh token

Question

When I send a refresh token to refresh an access token I get a new access token but I also get a new refresh token.  I am supposed to keep the original refresh token for use again or am I supposed to replace it with the new refresh token I have received.  I have tested and the original refresh token works again.

Thanks

Answer 1

As per this forum post:

http://social.msdn.microsoft.com/Forums/en-US/messengerconnect/thread/44878b44-3b36-46b0-8051-fd8fe94ae6b0

refresh tokens are good for 1 year from the moment they were granted, regardless.  So your original refresh token will continue to be good until it's year expires, but you should move to the new one since it's good for a longer period of time.

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Carl Hirschman