Today I could not log in to vspere web ui, had error "User name and password are required" on the first server, and blank screen on the second one. So i restarted both. After reboot the message is
"
503 Service Unavailable (Failed to connect to endpoint: [N7Vmacore4Http20NamedPipeServiceSpecE:0x00007f288401a200] _serverNamespace = / action = Allow _pipeName =/var/run/vmware/vpxd-webserver-pipe)"
Disk space is ok, this is the log of /var/log/vmware/vpxd-svcs/vpxd-svcs.log,
2020-05-11T12:43:37.700+02:00 [Thread-9 ERROR com.vmware.vim.sso.client.impl.SecurityTokenServiceImpl$RequestResponseProcessor opId=] Server rejected the provided time range. Cause:ns0:InvalidTimeRange: The token authority rejected an issue request for TimePeriod [startTime=Mon May 11 12:43:37 CEST 2020, endTime=Tue May 12 12:43:37 CEST 2020] :: Signing certificate is not valid at Mon May 11 12:43:37 CEST 2020, cert validity: TimePeriod [startTime=Mon May 07 19:18:01 CEST 2018, endTime=Wed May 06 19:18:01 CEST 2020]
2020-05-11T12:43:37.700+02:00 [Thread-9 WARN com.vmware.cis.server.util.impl.InitPoolTask opId=] Init pool encountered exception: com.vmware.cis.server.util.exception.VpxdClientException at attempt 18
The version of the Vcenter appliance is 6.7.0.41000.
Any help would be appreciated, thank you all.