I am sorry, How come my posting goes to wrong thread ?(after reading the thread, by selecting the post reply option, i replied my solution, but it seems to be appearing here.

sorry guys, it is definitely some technical problem. dbasupport.com - please consider this matter.

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Any how for this thread, (cold backup issue) - first of all try restoring the cold backup in your test server. I doubt that whether the backup itself is working fine or not.

Then we will probe further.