> For the complete documentation index, see [llms.txt](https://cortex-docs.paloaltonetworks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cortex-docs.paloaltonetworks.com/cortex-xsoar-6-multi-tenant-guides/6.14/configure-multi-tenant/manage-content/sync-content-to-tenant-accounts/troubleshoot-errors-when-syncing-all-accounts.md).

# Troubleshoot Errors When Syncing All Accounts

When trying to sync all accounts in a large scale environment, the sync fails. The log shows that there are too many open files and the sync fails to open any additional files.

To resolve this issue, update the limit of the number of files on the Cortex XSOAR service level as follows:

1. Open the **demisto.service** file on each host. It is located at `/etc/systemd/system/demisto.service`.
2. Under **\[Service]**, update the following parameters with a number large enough to avoid the error. if these parameters do not exist, add them.

   * **`LimitNOFILE`**
   * **`LimitNOFILESoft`**

   For example:

   ```screen
   [Unit]
   Description=Demisto Server Service
   After=network.target

   [Service]
   LimitNOFILE=100000000
   LimitNOFILESoft=100000000
   WorkingDirectory=/usr/local/demisto
   Type=simple
   User=demisto
   ExecStart=/usr/local/demisto/server
   EnvironmentFile=/etc/environment
   Restart=always
   RestartPreventExitStatus=29

   [Install]
   WantedBy=multi-user.target
                   
   ```
3. Reload the daemon.

   **`systemctl daemon-reload`**
4. Restart the service.

   **`systemctl restart demisto`**


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