> Source: [sk117898](https://support.checkpoint.com/results/sk/sk117898)

# sk117898 - Endpoint Security clients cannot connect to Endpoint Security Server (PostgreSQL is not running)

| Property | Value |
|----------|-------|
| Solution ID | sk117898 |
| Date Created | 2017-06-12 |
| Last Modified | 2017-06-15 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X, R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * Endpoint Security clients cannot connect to Endpoint Security server. (PostgreSQL is not running)
* When running *ps aux \| grep postgres* on Endpoint Security server from Expert mode, only one "postgres" process runs.
* When running: *$CPDIR/database/postgresql/util/PostgreSQLCmd status*   
  The output of PostgreSQL status is: PostgreSQL is down
* When running:  
  *su cp_postgres -c "$CPDIR/database/postgresql/bin/pg_ctl start -D $RTDIR/events_db/data"*   
  The output is: "Could not create shared memory segment: invalid argument..."

## Cause

Insufficient RAM

## Solution

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

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