> Source: [sk173026](https://support.checkpoint.com/results/sk/sk173026)

# sk173026 - "Unauthorized client" error on log in from IP that not defined explicitly in the Trusted Client list

| Property | Value |
|----------|-------|
| Solution ID | sk173026 |
| Date Created | 2021-04-13 |
| Last Modified | 2025-10-01 |
| Technical Level | General |
| Products | Multi-Domain Security Management Server |
| Versions | R81 (EOS) |

## Symptoms

- After installing R81 Jumbo Hotfix Take 25 or R80.40 Jumbo Hotfix Take 100 or R80.30 Jumbo Hotfix Take 232, login with SmartConsole fails with "`Unauthorized client`" error, if the client's IP address is not defined explicitly in the Trusted Client list.

## Solution

This problem was fixed. The fix is included in:

* [Check Point R81.10](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk170416)
* [Jumbo Hotfix Accumulator for R81](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk170114) starting from Take 27
* [Jumbo Hotfix Accumulator for R80.40](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk165456) starting from Take 102
* [Jumbo Hotfix Accumulator for R80.30](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk153152) starting from Take 235
* [Jumbo Hotfix Accumulator for R80.20](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk137592) starting from Take 202

If you choose not to upgrade, use the 'cpconfig' command or SmartConsole to add the client's IP address to the list of Trusted Clients.  

If you encounter this issue beyond this version, adding the specific client IP address will work around it.

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