why i receive Http 401 "Unauthorized" when i sned a notification to Blackberry push notification server?

I copied the code that calls the BlackBerry push notification from server A to server B, but now i receive Http 401 Res. "Unauthorized" using the same credential that im using in server A. is the IP Address filed when you reques开发者_开发知识库t the BlackBerry credential for push to App could be the reason for this error? .

Thanks

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If I remember correctly I have sent push messages succesively from different servers. The IP was required for my registration, but the information I got back (with my credentials) stated the IP was not required. The only time I recall getting a 401 error on return was when I had made a mistake in the APPID or password.

I know this isn't very helpful, but when I have time I will try to confirm that I can push from multiple servers and update this answer.