> Source: [sk89540](https://support.checkpoint.com/results/sk/sk89540)

# sk89540 - "Could Not resolve host" error when updating Anti-Virus fails

| Property | Value |
|----------|-------|
| Solution ID | sk89540 |
| Date Created | 2012-12-06 |
| Last Modified | 2017-01-02 |
| Technical Level | General |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |

## Symptoms

- "Could Not resolve host" error when updating Anti-Virus fails.

## Solution

Management/Update server must be able to resolve secureupdates.checkpoint.com and updates.checkpoint.com.

Also, make sure there are no proxy issues, as per [sk35195 - Troubleshooting Traditional Anti-Virus Updates](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk35195).

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