How do I "fix" the message "invalid preshared key"?

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Swampy
Swampy Posts: 3
First Comment
edited April 12 in Home Router

Trying to set up the guest account - each time I select "save" i get a message stating "invalid pre-shared key". What am I missing/need to do? (Please - in VERY basic simple steps !!!)

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  • Zyxel_Kay
    Zyxel_Kay Posts: 576  Zyxel Employee
    First Anniversary 10 Comments Friend Collector First Answer
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    Hi @Swampy

    To provide you with the most accurate assistance, could you please share with us which model of access point you are using? Additionally, are you looking to set up a guest SSID?

    Kay

  • Swampy
    Swampy Posts: 3
    First Comment
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    so I have the modem/router detailed in the first photo.
    the second photo shows the _guest account “entry point”.

    Third photo is the resultant screen.

    Fourth photo is the message I get after selecting save (happens if I change the password or leave it as the default provided)

    IMG_6547.jpeg
    IMG_6546.jpeg
    IMG_6545.jpeg
    IMG_6549.jpeg

  • Liba
    Liba Posts: 109  Ally Member
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    Maybe you can change the password to a number or text.

    Or try to obtain the latest firmware from your ISP or retailer.

  • tonygibbs16
    tonygibbs16 Posts: 845  Guru Member
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    Hello @Swampy

    If you want, there is some later firmware for VMG1312-T20B at https://support.zyxel.eu/hc/en-us/articles/4403361365778-Zyxel-CPE-Devices-Firmware-Advanced-Downloads-Firmwares-and-other-resources which could take you to V5.30(ABSB.5)C0 .

    image.png

    Kind regards,

    Tony

  • Swampy
    Swampy Posts: 3
    First Comment
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    Downloaded and installed the latest firmware - still coming back with "Invalid pre-shared key"

  • tonygibbs16
    tonygibbs16 Posts: 845  Guru Member
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    edited April 15
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    Hello @Swampy

    Ok.

    Apparently under Network Setting > Wireless > Guest/More AP > Edit you can generate a network password automatically, which might help you.

    It should I hope generate a valid password as a valid pre-shared key.

    * see screenshots below.

    The device is probably also being particular about what characters are in the key, so automatic generation should help with this too.

    Screenshot_20240412-223746.png
    Screenshot_20240412-223138.png

    Kind regards Tony

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