Contributor
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71 Messages
All of a sudden by Arris SB8200 is asking for log in
Hello,
All of a sudden, my arris SB8200 is asking to log in to check modem status IE Powers levels, errors, etc. (Im using 192.168.100.1 as I always have) I never used to get a log in screen before. It appears Xfinity did a firmware update that all of a sudden does not allow me to access my modem interface. Is there a default password that is used to get into the modem? Seems a bit messed up since I purchased my pwn equipment. This worked perfectly fine 2 days ago. Please advise as I use this all the time to check signals levels, etc
strega7
Contributor
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393 Messages
5 years ago
If you've never set them, most manufacturers default to user: admin, password: password.
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Andyr1
Gold Problem Solver
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8K Messages
5 years ago
It's a security feature in the latest update. The login name is "admin", and the password is the last 8 digits of the modem's serial number. You will then be asked to create a new password.
https://arris.secure.force.com/consumers/articles/General_FAQs/SB8200-Web-Manager-Access
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kgowen4444
Contributor
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71 Messages
5 years ago
Of course that is not working. I type in the last 8 of serial number and it still shows invalid username and password. Glad they did this to custoemr provided equipment... Classy.
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BruceW
Gold Problem Solver
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26.4K Messages
5 years ago
Does https://arris.secure.force.com/consumers/articles/General_FAQs/SB8200-Factory-Reset help? :
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BruceW
Gold Problem Solver
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26.4K Messages
5 years ago
Characters in passwords usually are, but thanks for posting that this is the case for the SB8200. Note that https://arris.secure.force.com/consumers/articles/General_FAQs/SB8200-Web-Manager-Access states that the new custom password you enter must meet these requirements:
This list really should include a note that "passwords are case-sensitive", but that information seems to be given only in a graphic below this list.
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tburton82
Regular Visitor
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3 Messages
5 years ago
I'm having the same issue, last 8 digits of SN don't work. I also tried the last 8 digits of the MAC that doesn't work either. Does anyone else have any ideas?
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tburton82
Regular Visitor
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3 Messages
5 years ago
Disregard. the alpha characters are case sensitive.
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Vidbuff
New Poster
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3 Messages
4 years ago
@andyross Andy Thanks for this very timely advice, it's a life saver. I had exactly this same problem and your tip worked! I wasn't prompted to set up a custom password but I did anyway so that I didn't have to remember the SN. Thanks for ending the fruatration I'd been having trying to login.
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F-B-O
New Poster
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3 Messages
4 years ago
Had been a while since I accessed modem and did just now because of this thread.
Even though it didn't prompt me to change password when I logged in using last 8 digits of the S/N, for security purposes, I am going to change it.
Thank you
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ronniebach159
New Poster
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2 Messages
4 years ago
Yea this worked !!! just a note my serial # was two letters and six numbers entered letters as CAPS and it worked
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EG
Expert
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110.3K Messages
4 years ago
5 month old dead thread now being closed.
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