> Source: [sk164878](https://support.checkpoint.com/results/sk/sk164878)

# sk164878 - VPND keeps restarting with no usermode core dump crash file

| Property | Value |
|----------|-------|
| Solution ID | sk164878 |
| Date Created | 2020-01-31 |
| Last Modified | 2020-06-18 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * VPND keeps restarting with no usermode core dump crash file
* Issue was seen several times in post-upgrade environments, or after changing the number of CoreXL instances.
* *vpnd.elg* file shows similar messages:   
  \[ 31257\]\[12 Oct 13:46:15\]\[SESSION_MANAGER_POOL\] \[CVPN_ERROR\] SessionIS::SessionManagerPool::createNewSessionManager: Failed to create a session manager from file: /opt/CPsuite-R77/fw1/CTX/CTX0000X/conf/sessionIS.C  
  \[ 31257\]\[12 Oct 13:46:15\]\[SESSION_MANAGER_POOL_C_API\] \[CVPN_ERROR\] create_new_session_manager: Faild to crate session manager for session owner: (vpnd)  
  \[ 31257\]\[12 Oct 13:46:15\]\[\] Session manager failed to initialize  
  \[ 31257\]\[12 Oct 13:46:15\]\[\] Failed to initialize Session IS: No such file or directory  
  \[ 31257\]\[12 Oct 13:46:15\]\[\] atexit_handler called
* (CPWatch dog messages) */opt/CPshrd-R80.20/log/cpwd.elg* shows:  
  \[cpWatchDog 14012 4145997520\]@kan-fw-vpn-b\[10 Oct 12:15:19\] \[ERROR\] Failed to register new process file_name:vpnd_13764_26310879.mntr  
  \[cpWatchDog 14012 4145997520\]@kan-fw-vpn-b\[10 Oct 12:15:19\] \[ERROR\] ServerPolling: failed to register client (file name vpnd_13764_26310879.mntr)  
  \[cpWatchDog 14012 4145997520\]@kan-fw-vpn-b\[10 Oct 12:15:19\] \[INFO\] AddProcessInfo:will not add vpnd (pid =13500), process no-longer alive  
  \[cpWatchDog 14012 4145997520\]@kan-fw-vpn-b\[10 Oct 12:15:19\] \[ERROR\] Failed to register new process file_name:vpnd_13500_26309719.mntr  
  \[cpWatchDog 14012 4145997520\]@kan-fw-vpn-b\[10 Oct 12:15:19\] \[ERROR\] ServerPolling: failed to register client (file name vpnd_13500_26309719.mntr)

## Cause

Two possible causes for VPND not starting or continually exiting.  

1. The value of :isEnabled for database_conf is set to "true" in sessionIS.C file.
2. Corruption occurred during upgrade or jumbo installation.

## Solution

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