---
title: "Main Server Tasks"
slug: "main-server-tasks"
tags: ["Portal"]
updated: 2026-06-03T10:07:18Z
published: 2026-06-03T10:07:18Z
canonical: "kb.ctera.com/main-server-tasks"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://kb.ctera.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Main Server Tasks

| Task | Description | Server | Default Frequency |
| --- | --- | --- | --- |
| **ACL Repair Tool** |  |  |  |
| **Administrator report generator** | Generates administrator reports. | Application | Daily |
| **Agent licensing refresh** | Refreshes agent licensing. | Application | Ongoing |
| **Alert sender** | Generate and send emails, such as backup completed emails and log alerts. | Application | Every 60 seconds |
| **Antivirus background scanning** | Scan recently uploaded files for viruses in background. | — | Ongoing: After files are uploaded. If no files are uploaded, the scan stops for 30 seconds before checking again. Or, on demand |
| **Antivirus re-scanning server** | If a background scan has a file to scan when a rescan is initiated, the background scan completes before the rescan proceeds and files scanned during the background scan are not rescanned. Renaming a folder is treated as if the folder and the files in the folder are new. During a background scan the files in the folder are scanned first. | — | On demand |
| **Apply Templates** | Downloads templates to the connected devices. | Application | Every 600 seconds |
| **Attachments Cleaner** | Deletes expired folders of email attachments. | Application | Daily |
| **Block Health Task** |  |  |  |
| **Blocks Reference Count Migration** | Migration of reference count to a new table. | — | One-time only on upgrade to 7.x |
| **Catalog Synchronizer** |  |  |  |
| **Certificate and licenses update** |  |  |  |
| **Clear Sensitive** |  |  |  |
| **Cloud-DD** | Tool for storage node reader/writer thread count optimization. | — | On demand |
| **Containers cleaner** |  |  |  |
| **Copy** |  |  |  |
| **CSRRequestsProcessor** | Listens for requests, for example between messaging servers |  | Ongoing |
| **Db activator and initiator** |  |  |  |
| **DB Backup** |  |  |  |
| **db-faulty-handler-task** |  |  |  |
| **db-updater-task** |  |  |  |
| **Delete** |  |  |  |
| **Delete conflict files** |  |  |  |
| **Delete from quarantine** | Delete quarantined files. |  | On demand. |
| **Delete Infected file** | Delete infected files not in quarantine. |  |  |
| **Deleted Share Cleaner** |  |  |  |
| **Disconnect devices of disabled accounts** | Disconnects devices of disabled users. | Application | Daily |
| **Entities Version Cleaner** |  |  |  |
| **Expired invitations cleaner** | Check for expired invitations and delete. | Main Database | Daily |
| **Export folder** |  |  |  |
| **Folder Group Key Manager Adaptor** |  |  |  |
| **Frequent Contacts Cleaner** | Cleans recently used contacts. | Application | Daily |
| **FSCK** | Runs file system check on the blocks in the system. | Main Database | On demand |
| **FSCK Missing FolderGroup Cleaner** |  |  |  |
| **Generate Support Report** | Support report generator for administrator. | Application | On demand |
| **Generate user notifications** |  |  |  |
| **Get Mapfiles From CSV Task** |  |  |  |
| **Import folder** |  |  |  |
| **Inactive account cleaner** | Does the following: * Deletes old *changing mail* pending requests from the database. * Deletes *recover password* pending requests from the database. * Deletes old inactive users and devices from the database. * Deletes old *invite to register* pending requests from the database. * Deletes old transient devices. * Permanently deletes already deleted devices. | Application | Daily |
| **Key Manager Monitoring** |  |  |  |
| **List Map File Blocks Task** |  |  |  |
| **Logs Cleaner** | Deletes old logs. | Application | Daily |
| **Match auto-assignment rule** | Matches templates for devices. | Application | Daily |
| **Messaging service polling task** | Polling between messaging servers. | Messaging | Daily |
| **Move** |  |  |  |
| **New** | Re-enables sending emails for notifications that were already sent. | Application | Daily |
| **New Stub Files Repair Task** |  |  |  |
| **Notification suppress cleaner** |  |  |  |
| **Office Online Locks Cleaner** | Clean office locked files. |  |  |
| **Orphan Scanner** | Find blocks that exist in the portal but not in the storage node. | Main Database | On demand |
| **Portal Notifications Background Mail Sender** | Enters new notifications to a queue. | Application | Every hour. |
| **Portal notifications mailing queue** |  |  |  |
| **Portals Trashcan Cleaner** | Checks and empties a deleted portal trashcan. | Main Database | Daily |
| **Process ACL Parser** |  |  |  |
| **Purge Storage Exceptions** | Remove old storage exceptions. |  |  |
| **Quota Changes Notifier** |  |  |  |
| **Replication Monitoring** |  |  |  |
| **Report generator** | Generates users reports. | Application | Once a day and on demand. Sends the report only when needed. For each end-user once a month. |
| **Rescan** |  |  |  |
| **Restore** |  |  |  |
| **Scan folder** |  |  |  |
| **Set ACL** |  |  |  |
| **Set ACLOwner** |  |  |  |
| **Shared as team sync Synchronizer** | Fixes domains of shared resources when a sharing problem occurs writing to a database. | Main Database | Daily |
| **Slave archive synchronization** |  |  |  |
| **Snapshot cleaner** | Deletes old temporary snapshots. | Main Database | Every 30 minutes |
| **Snapshot closer** | Closes uncompleted snapshots and inactive snapshots open more than 2 days. | Main Database | Every 300 seconds |
| **Snapshot consolidator** | Consolidate snapshots to reduce the saved snapshots. | Main Database | Every hour |
| **Snapshots simulator** |  |  |  |
| **Start Replication** |  |  |  |
| **Storage license quota** |  |  |  |
| **Storage Node cleaner** | Cleans deleted blocks from storage nodes. | Main Database | Every 60 seconds |
| **Storage node migration** |  |  |  |
| **Storage Usage Calculator** | Recalculates storage usage for each user and portal. | Application | Daily |
| **Storage Usage Cleaner** | Deletes records from the storage usage table for old users and portals (not the actual data). | Application | Daily |
| **Syslog starting flow monitoring** | Monitors the status of the Edge Filer Syslog service starting up | Application | On request |
| **Syslog Connector Status Monitor** | Monitors the status of the Edge Filer Syslog service status | Application | On request |
| **Table Index maintenance** |  |  |  |
| **Table sizes monitor** | Trace for table size. |  |  |
| **Task update antivirus status** | Antivirus monitor status. |  |  |
| **Undelete** | Restore deleted files in retention range. |  | On demand |
| **Unquarantine** | Remove files from quarantine. |  | On demand |
| **Unused block cleaner** | Deletes unused blocks. | Main Database | Every 60 seconds |
| **Unused mapfile block cleaner** |  |  |  |
| **Update accounts** | Updates users and groups from active directory, including deleting and adding users. Updates also user plans if needed. | Application | Daily |
| **Update storage status** | Monitors and updates storage status. |  |  |
| **Verify files** |  |  |  |
| **Zones Synchronizer** | Updates zones according to recent changes. |  |  |