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Troubleshooting Pre-Install Check Failures

If you encounter a failure during the pre-install readiness checks, resolve the errors before re-trying.

Error Resolution
Network connectivity is below 100 Mbps, consider increasing your download speed before continuing with the install.

Consider increasing your internet connection bandwidth. On-prem performs best at 100 Mbps or above. For more information, see Internet Requirements.

Failing this check does not block the installation.

No default route (gateway), check your network settings and re-test the pre-install checks.

On the Networking page, edit your interface configuration and confirm the static IP address gateway is configured as desired. For more information, see Networking.

Failing this check blocks the installation.

Internal package manager lock, wait ~10 minutes and re-test the pre-install checks.

On-prem encountered an internal error. Wait 10 minutes before clicking Re-Test to re-try the pre-install readiness checks.

Failing this check blocks the installation.

Download from the Tenable repository failed, check your proxy configuration/network connectivity and re-test the pre-install checks.

On the Update Management page, edit your proxy configuration and confirm it is configured as desired. For more information, see Proxy Configuration.

Check your network connectivity and resolve any issues accessing the internet from on-prem. You must allow access to the ports described in Access Requirements.

Failing this check blocks the installation.

Download from the Tenable repository failed, check your network connectivity and re-test the pre-install checks.

Check your network connectivity and resolve any issues accessing the internet from on-prem. You must allow access to the ports described in Access Requirements.

Failing this check blocks the installation.

DNS cannot reach the Tenable repositories, confirm your network settings and re-test the pre-install checks.

On the Networking page, edit your interface configuration and confirm that DNS is configured as desired. For more information, see Networking.

Failing this check blocks the installation.

DNS cannot reach the Tenable plugin server, confirm your network settings and re-test the pre-install checks.

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