A user experiences sporadic periods where their workstation cannot reach web services, however, file sharing within the local network is unaffected. There are no similar complaints from colleagues. The network settings on the workstation are configured to obtain settings automatically. Which initial troubleshooting step should a technician take to diagnose the problem?
Modify the network security settings to include web services in the whitelist.
Reset the web browser's settings to default.
Examine the network configuration for a self-assigned address and renew the configuration if necessary.
Inspect the host file for incorrect entries that could interrupt web services.
When a workstation cannot access external resources while local resources remain accessible, it suggests a possible issue with the workstation's configuration for reaching outside the local network. One of the foundational checks in such a scenario is verifying whether the workstation has a valid automatically obtained network configuration. If the workstation has an Automatic Private IP Addressing (APIPA) address, which is in the range of 169.254.x.x, it suggests that it failed to receive a valid configuration from the Dynamic Host Configuration Protocol (DHCP) server. Renewing the configuration would be a reasonable first step in resolving this issue. Other options related to web browser settings or security software are unlikely to cause selective connectivity issues and also would not address the problem of an invalid network configuration.
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