Sending identity to client failed windows 7

Hello, just setting up the server on Ubuntu and rolling out the clients. All clients will be internet. Windows 10 machines go very well. Windows 7 doesn’t seem to want to work. I get the indication that the client is connected under the servers status and status is ok (client version doesn’t show like it does for the win10 computers). Put the client and server in debug mode -
server log keeps repeating this…
2021-03-07 06:32:30: Authed+capa for client ‘03-GO’ (encrypted-v2, compressed-v2, token auth) - 1 spare connections
2021-03-07 06:33:30: Connecting to target service…
2021-03-07 06:33:40: Connecting on internet connection failed. Service=0
2021-03-07 06:33:40: Establishing internet connection failed. Service=0
2021-03-07 06:33:40: Connecting to ClientService of “03-GO” failed: Sending Identity to client “03-GO” failed. Retrying soon…
2021-03-07 06:33:40: Sending Identity to client “03-GO” failed. Retrying in 60s…
2021-03-07 06:33:40: Authed+capa for client ‘03-GO’ (encrypted-v2, compressed-v2, token auth) - 1 spare connections
2021-03-07 06:34:40: Connecting to target service…
2021-03-07 06:34:40: Establish timeout: Deleting internet client “03-GO”
2021-03-07 06:34:50: Connecting on internet connection failed. Service=0
2021-03-07 06:34:50: Establishing internet connection failed. Service=0
2021-03-07 06:34:50: Connecting to ClientService of “03-GO” failed: Sending Identity to client “03-GO” failed. Retrying soon…
2021-03-07 06:34:50: Sending Identity to client “03-GO” failed. Retrying in 60s…

client log after restart of service:
021-03-08 11:05:13: Trying to connect to internet server “obscured for this post for security” at port 55415
2021-03-08 11:05:13: Successfully connected.
2021-03-08 11:06:03: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:06:55: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:07:47: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:08:38: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:09:30: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:10:22: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:11:13: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:12:05: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:12:57: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:13:49: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:14:40: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:15:32: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:16:24: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:17:15: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:18:07: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:18:59: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:19:51: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:20:42: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:21:34: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:22:26: ClientService cmd: STATUS#pw=“obscured for this post for security”
2021-03-08 11:22:57: rc=0 hasError=true state=9
2021-03-08 11:35:13: Looking for old Sessions… 0 sessions
2021-03-08 12:05:14: Looking for old Sessions… 0 sessions
2021-03-08 12:35:15: Looking for old Sessions… 0 sessions