> Source: [sk170173](https://support.checkpoint.com/results/sk/sk170173)

# sk170173 - Policy install fails with error 'function identifier <user_accept_non_syn> redefined'

| Property | Value |
|----------|-------|
| Solution ID | sk170173 |
| Date Created | 2020-10-22 |
| Last Modified | 2020-10-26 |
| Technical Level | Advanced |
| Products | Security Management Server, Multi-Domain Security Management Server |
| Versions | R82.10, R82, R81.20, R82.10, R82.20, R81.20, R82, R82.20 |
| OS | Gaia |

## Symptoms

- Policy installation fails with the following error:  
`

"/opt/CPmds-R80.30/customers/`/CPsuite-R80.30/fw1/lib/user.def", line 11: ERROR: function identifier redefined

## Cause

Multiple lines for *user_accept_non_syn* are configured in the *$FWDIR/lib/user.def* file.

<br />

## Solution

This solution requires authentication. Please log in to view the full solution.

---

# Agent Instructions

This content is from the Check Point Support Center (https://support.checkpoint.com), the official knowledge base for Check Point cybersecurity products.

## Navigating This Knowledge Base

- **Complete index**: [llms.txt](https://support.checkpoint.com/llms.txt)
- **All SK articles**: [SecureKnowledge Sitemap](https://support.checkpoint.com/sitemaps/secureknowledge-sitemap-index.xml)
- **SK article URL pattern**: `https://support.checkpoint.com/results/sk/{skId}`
- **Markdown responses**: AI bot User-Agents automatically receive `text/markdown` content