authenticationinvalidcredentials

  1. A Ton of "Authentication failed for AuthFail Recv Req REGISTER" Messages in Activity Logs

    Our activity log is showing the following message over and over again every few minutes and I would like some suggestions on how to better protect our system. "Authentication failed for AuthFail Recv Req REGISTER from {random IP}" always attempting to login as a random extension and fails to...
    • TaylorStevens23
    • Thread
    • activity log authenticationinvalidcredentials register
    • Replies: 6
    • Forum: Other

  2. Fanvil credentials doesn't match after reboot

    We have a local 3cx on Debian with 300+ Fanvils. After a power problem we are having problems with authentication of the phones. All are powered by PoE, so we restarted the switches for a reboot en renew the registration. 30% are connected, but the rest has an authenciation problem: Reason...
  3. sunrise

    Can't Send welcome mail. AuthenticationInvalidCredentials: 5.7.0 Denied

    My 3cx can't send Email. When I tested "SMTP server 3cx" have error: AuthenticationInvalidCredentials: 5.7.0 Denied Then I change update server to https://downloads-global.3cx.com/downloads/v155 But problem not solved. I use Free version and now can't change SMTP to another Logs: 2018/02/22...
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