If you see Xbox Error Code 0x87dd0006, you can try the solutions mentioned here. Since the error code stops the user from signing in, we can say it is a network problem.

What is Xbox error code 0x87DD0006? When you try to sign in to Xbox Live on an Xbox One console or PC, you see the following error code: 0x87DD0006 or 87DD0006.

Learn to troubleshoot and resolve Xbox One error codes from the get-go without panicking.