DNS Error | Troubleshooting Guide | 2nd June 2025
If you are attempting to log in to the staff portal & receiving an error message mentioning a 'DNS' error or 'DNS Server' not available, please follow the steps below
As part of ongoing, rolling security enhancements, the EOH staff portal has blocked requests for the foreseeable future from VPNs & proxy servers - this may apply even without you being consciously aware that your office or building is using a proxy server. In general, these are used to enhance your own security - shielding your team's IP addresses by using the VPN or proxy server.
What to look out for
Error screens similar to the below are likely signs that the VPN or proxy server is blocking your site access:
- DNS Server unavailable:
- DNS Chrome Error:
Troubleshooting: Turn off VPN
As an immediate step, if you are using a VPN, you can typically access the site by turning off this VPN & thereafter, you should no longer receive the DNS errors above. Whilst not ideal, please reach out to the support team if your company's policies are to use a VPN, as we can then attempt to whitelist access.
Troubleshooting: Contact your IT Team
In the case of an office/building-wide proxy server, contact your IT team & get the static IP address & we can then white label this address, allowing for smooth, consistent access to the staff portal.
Additionally, using Google or another search engine, you can get your public IP address per the screenshot below:
After doing so, you can provide your IP to our team & we will then review & whitelist as appropriate
Troubleshooting: Use personal hotspot
Finally, in the short term, you are able to use your mobile device's personal hotspot without these same issues applying - this has consistently proven to be a short-term solution. Whilst non-ideal, this can be used to get access whilst awaiting support or IP address white listing.