Twitterizer working fine for local not on server,every time show "The remote server returned an error: (401) Unauthorized"


I am using Twitterizer dll, It working fine (Local/Test server/Product server) when redirect to twitter for login and after authentication redirect back to my application, then I store that token in session, when i Reply,Retweet,Favoirt any tweet, Its works for local but does not work on test server and production server, Every time get same error message “The remote server returned an error: (401) Unauthorized”. Any Idea ? Thanks in advance.