USG-60 - On VPN SSL I have "Error 0x800b0109 authenticating server credentials! (0x0)"

sp_pd

Hi

As in subject, followed all instructions found here with no success.
If I reboot USG it works fine and for some days everything is fine but after a while if I try to reconnect I get error again

Is there a way to solve this?

Best regards

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[ 2022/10/09 10:44:15 ][SecuExtender Agent][DETAIL]  Build Datetime: Jan 25 2021/13:07:58

[ 2022/10/09 10:44:15 ][SecuExtender Agent][DEBUG]   SecuExtender.log: C:\Users\SP\SecuExtender.log

[ 2022/10/09 10:44:15 ][SecuExtender Agent][DEBUG]   osvi.dwPlatformId = 2, osvi.dwMajorVersion = 6, osvi.dwMinorVersion = 2

[ 2022/10/09 10:44:15 ][SecuExtender Agent][DEBUG]   interface guid: {DF6DF3CF-7DE3-4ECA-B72E-10800A3B1305}, idx: 14

[ 2022/10/09 10:44:15 ][SecuExtender Agent][DEBUG]   tBuf : (\DEVICE\TCPIP_{DF6DF3CF-7DE3-4ECA-B72E-10800A3B1305})

[ 2022/10/09 10:44:15 ][SecuExtender Agent][DEBUG]   network name got, idx: 15

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Checking service (first) ...

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  SecuExtender Helper is running

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Try to connect to SecuExtender Helper

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  SecuExtender Helper is connected

[ 2022/10/09 10:44:29 ][SecuExtender Agent][INFO]    [stefano] try to login 37.119.61.176:7443

[ 2022/10/09 10:44:29 ][SecuExtender Agent][INFO]    Connect to 628571568:7443

[ 2022/10/09 10:44:29 ][SecuExtender Agent][INFO]    Local address is 3232236011

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DEBUG]   Connect success.

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Handshake LoopCounter: 0

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  1270 bytes of handshake data received

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  InitializeSecurityContext returns 0x90312

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Send 93 bytes of handshake data

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Handshake LoopCounter: 1

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  51 bytes of handshake data received

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  InitializeSecurityContext returns 0x0

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  SSL Handshake is successful

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  STREAM_SIZE: Header: 13 Trailer: 16, MaxMessage: 16384

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Protocol: TLS1.2

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Cipher: AES256

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Cipher strength: 256

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Hash: SHA384

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Hash strength: 0

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Key exchange: 0xae06

[ 2022/10/09 10:44:29 ][SecuExtender Agent][DETAIL]  Key exchange strength: 255

[ 2022/10/09 10:44:29 ][SecuExtender Agent][INFO]    Server subject: CN=usg60_B8ECA3AE77DA

[ 2022/10/09 10:44:29 ][SecuExtender Agent][INFO]    Server issuer: CN=usg60_B8ECA3AE77DA

[ 2022/10/09 10:44:29 ][SecuExtender Agent][ERROR]   **** Error 0x800b0109 authenticating server credentials! (0x0)

[ 2022/10/09 10:44:31 ][SecuExtender Agent][DETAIL]  SSL session is created

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DEBUG]   SSL Connection is going to be closed

[ 2022/10/09 10:44:32 ][SecuExtender Agent][INFO]    user login device success

[ 2022/10/09 10:44:32 ][SecuExtender Agent][INFO]    Creating secure tunnel to 37.119.61.176:7443

[ 2022/10/09 10:44:32 ][SecuExtender Agent][INFO]    Connect to 628571568:7443

[ 2022/10/09 10:44:32 ][SecuExtender Agent][INFO]    Local address is 3232236011

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DEBUG]   Connect success.

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  Handshake LoopCounter: 0

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  1270 bytes of handshake data received

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  InitializeSecurityContext returns 0x90312

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  Send 93 bytes of handshake data

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  Handshake LoopCounter: 1

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  51 bytes of handshake data received

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  InitializeSecurityContext returns 0x0

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  SSL Handshake is successful

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  STREAM_SIZE: Header: 13 Trailer: 16, MaxMessage: 16384

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  Secure session is created

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  Secure session negotiation begin

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  stage 1...done

[ 2022/10/09 10:44:32 ][SecuExtender Agent][DETAIL]  stage 2...done

[ 2022/10/09 10:44:33 ][SecuExtender Agent][WARN]    The device is going to close the connection.

[ 2022/10/09 10:44:33 ][SecuExtender Agent][ERROR]   stage 3...failed (0x0)

[ 2022/10/09 10:44:33 ][SecuExtender Agent][ERROR]   Failed to create security tunnel (0x0)

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DEBUG]   SSL Connection is going to be closed

[ 2022/10/09 10:44:33 ][SecuExtender Agent][INFO]    Connect to 628571568:7443

[ 2022/10/09 10:44:33 ][SecuExtender Agent][INFO]    Local address is 3232236011

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DEBUG]   Connect success.

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DETAIL]  Handshake LoopCounter: 0

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DETAIL]  1270 bytes of handshake data received

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DETAIL]  InitializeSecurityContext returns 0x90312

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DETAIL]  Send 93 bytes of handshake data

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DETAIL]  Handshake LoopCounter: 1

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DETAIL]  51 bytes of handshake data received

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DETAIL]  InitializeSecurityContext returns 0x0

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DETAIL]  SSL Handshake is successful

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DETAIL]  STREAM_SIZE: Header: 13 Trailer: 16, MaxMessage: 16384

[ 2022/10/09 10:44:33 ][SecuExtender Agent][INFO]    logout message has sent

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DEBUG]   SSL Connection is going to be closed

[ 2022/10/09 10:44:33 ][SecuExtender Agent][DETAIL]  Connection ends.

Zyxel_Kevin

Hi @sp_pd, 
1)Did you have the latest weekly firmware , please see the below link to find the latest.
https://community.zyxel.com/en/discussion/14386/zld-v4-72-wk35-firmware-release#latest
2)Did you have any error firewall log when disconnected ?
Kevin