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Some DNS queries fail after waking up from sleep mode on macOS BigSur with Remote Access VPN clients Technical Level
  • Endpoint systems running Remote Access VPN clients on macOS Big Sur, after waking up from sleep mode, may fail to resolve some hostnames or FQDNs using internal DNS servers. In some cases the issue may be spontaneously resolved within 5-10 minutes.
  • "scutil --dns" shows that the list of DNS IP addresses is not compatible with internal DNS servers provided by office mode.
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