> Source: [sk181156](https://support.checkpoint.com/results/sk/sk181156)

# sk181156 - QoS policy installation fails with error "Failed to read data for policy installation"

| Property | Value |
|----------|-------|
| Solution ID | sk181156 |
| Date Created | 2023-06-22 |
| Last Modified | 2023-10-20 |
| Technical Level | General |
| Products | Security Gateway |
| Versions | R81.20, R81.10 (EOS), R81 (EOS) |
| OS | Gaia |
| Platform | Smart-1 |

## Symptoms

- * QoS policy installation fails with this error:

  ```
  
  Gateway: <Gateway Name>
  Policy: Unavailable
  Status: Failed
  - Failed to read data for policy installation
  - Operation ended with errors.
  ```

* Failed to Read Data for policy installaion ; Operation ended with errors

## Cause

The error occurs when the QoS policy name contains invalid characters.  
The policy name cannot contain:  

* Contain any reserved words or spaces
* Start with a number
* Contain any of these characters: %, #, ', \&, \*, !, @, ?, \<, \>, /, \\, :.
* End with any of the following suffixes: .pf, .W

## Solution

Update the policy name  
Replace/remove any invalid characters with a different character.

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