Unable to register new devices

Starting today around noon (Pacific time) we stopped being able to setup new workstations in Sophos Central.  The logs (on multiple machines) show this:

2024-08-19T22:39:44.0627204Z INFO : Opening connection to mcs2-cloudstation-us-west-2.prod.hydra.sophos.com
2024-08-19T22:39:48.9071408Z INFO : Sending HTTP 'GET' request to: sophos/management/ep/install/policy/application/ALC/<redacted>
2024-08-19T22:39:48.9071408Z INFO : Request content size: 0
2024-08-19T22:39:48.9071408Z INFO : ValidateFileCertificateCheck: Validate certificate against file on WINHTTP_CALLBACK_STATUS_SENDING_REQUEST
2024-08-19T22:39:48.9071408Z INFO : Subject certificate failed validation against root CA: SophosCA1
2024-08-19T22:39:48.9227653Z INFO : Subject certificate failed validation against root CA: SophosCA2
2024-08-19T22:39:48.9227653Z INFO : Certificate check succeeded
2024-08-19T22:39:48.9227653Z INFO : ValidateFileCertificateCheck: Ignore WINHTTP_CALLBACK_STATUS_REQUEST_SENT
2024-08-19T22:39:49.9540082Z INFO : Response status code: 500
2024-08-19T22:39:49.9540082Z INFO : Response data size: 0
2024-08-19T22:39:49.9540082Z ERROR : RegisterCommand::onRun HTTP client exception: Bad response from existing connection: status code=500
2024-08-19T22:39:49.9540082Z INFO : Command 'Register' completed with failure with reboot code '0' and error message 'Could not register with Sophos Central'.
2024-08-19T22:39:49.9540082Z ERROR : Installation failed.

It doesn't appear to be any sort of firewall/proxy issue that we can tell.  Anyone else having issues?



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[edited by: GlennSen at 1:31 PM (GMT -7) on 3 Sep 2024]
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