How to do when join request rejected

LPWAN Modules / EVBs
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When connecting the RAK7268 to the RAK3172, the join request rejected

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Welcome to the forum @jimmy1

First check is:
AppEUI, AppKey and DevEUI are registered correct in the application on the LoRaWAN server?

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I suddenly can connect now. Why would this happen?
Seems like it’s randomly.

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Many reasons possible

  • High traffic by other devices around
  • Distance between node and gateway too far
  • Connection between gateway and LoRaWAN server not stable
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