Probably related, zmprov is also not working, here's the output when I run it
[zimbra@cbt ~]$ zmprov
ERROR: zclient.IO_ERROR (invoke cannot determine soap protocol in reply:
Error 503 SERVICE_UNAVAILABLEHTTP ERROR: 503
SERVICE_UNAVAILABLE
RequestURI=/service/admin/soap/
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, server: localhost) (cause: com.zimbra.common.soap.SoapParseException cannot determine soap protocol in reply:
Error 503 SERVICE_UNAVAILABLEHTTP ERROR: 503
SERVICE_UNAVAILABLE
RequestURI=/service/admin/soap/
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)
[zimbra@cbt ~]$