eazyBackup Knowledge Base
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  • eazyBackup Knowledge Base
  • Guides
    • Getting Started Guide
    • Creating Protected Items
    • How to Backup Windows Network Shares and UNC Paths
    • How to Restore Files and Folders
    • Disk Image Backup Guide
    • Disk Image Backup Restore Guide
    • How to backup to a local storage vault (External or Internal Hard Drive)
    • Microsoft 365 Cloud Backup Guide
    • Microsoft 365 Cloud Backup Restore
    • Seed Load Walkthrough
    • eazyBackup Control Panel
    • Delete backup snapshots to reduce Storage Vault size
    • Kroll Pharmacy Management Database Backup
    • How to Backup Dentrix Database to the Cloud
    • How to Backup Patterson Eaglesoft Dental Software
    • Hyper-V Virtual Machine Backup Walkthrough
    • Storage Vault Usage Report
    • Linux Installation Guide (Debian, Ubuntu)
    • Two-Factor Authentication for Backup Accounts
    • Securing your Backup against Ransomware
    • How to move a backup to a new computer
  • Documentation
    • Add and Rename Storage Vaults
    • Available Storage Locations
    • How to Run Manual Backup
    • Backing up Windows Network Shares and UNC Paths
    • Browse Job History
    • Cancel a Running Backup Job
    • Commands
    • Backup Report Email Address
    • Custom Email Reports
    • Deleting a Protected Item
    • Disk Image Backup
    • eazyBackup Software Structure
    • Error “Access to the cloud file is denied” backing up OneDrive
    • Retention Concept
    • Confirm EFS keys are Exported (Windows EFS)
    • Data Encryption – Understanding Our AES-256 Encryption & Key Management
    • eazyBackup Chunking Overview
    • eazyBackup Chunking and Deduplication
    • Storage Vaults
    • Re-scan Unchanged Files
    • Required URLs and Ports for eazyBackup
    • Setting up a New Backup Account (license) in My Dashboard
    • Before and After Commands
    • eazyBackup Hotfix Install
    • Default File / Folder Exclusions From Backup
    • Restore from Deleted Protected Item
    • Random Job Delay – Protected Item Schedule
    • Copy a Protected Item Configuration to New Device
    • Manage Vaults on Protected Items – Add/Remove/Update
    • How to Remove a Registered Device
    • Retention Configuration and Cleanup
    • macOS Installation
    • Windows Installation
    • Linux (Other Distribution)
    • Linux (Red Hat Enterprise Linux (RHEL), CentOS)
    • Linux NAS (Synology, QNAP)
    • “Application-Aware Writer” Backups
    • “Microsoft Exchange Server” Backup
    • “Microsoft Hyper-V” Backup
    • “Microsoft SQL Server” Backup
    • “MySQL” Backup
    • “Program Output” items
    • “Windows Server System State” Backup
    • “Windows System Backup”
    • Silent installation for RMM (Windows advanced)
    • Microsoft 365 Backup
    • VMware vSphere Backup
  • Troubleshooting
    • Cannot proceed – another task needs to finish using the Storage Vault first
    • Change of hardware causes registration dialog to appear
    • Diagnosing Slow Backup Jobs
    • Error “EFS-encrypted files may be unusable once restored”
    • Error “Media is write protected” backing up OneDrive with VSS
    • Error “operation not permitted” macOS
    • Error “The target path ‘X:\WindowsImageBackup’ already exists – please safely remove this direct...
    • Error backing up item exit status 3 Couldn’t create virtual device set: Unknown error 0x80770005
    • Found packs in index but not appearing on disk. Reindex needed
    • Inactive / Abandoned “Running” Jobs
    • Lost connection to local service
    • Lstat: CreateFile \\?\UNC\ backup: Access is denied.
    • Mount path conflict: Can’t mount path inside real directory
    • OneDrive error “The tag present in the reparse point buffer is invalid”
    • Out of memory
    • Shared Memory Provider: Could not open a connection to SQL Server
    • VSS Error: Device is not ready
    • VSS Error: Couldn’t take snapshot. The shadow copy provider had an unexpected error while trying ...
    • Windows Backup encountered an error when writing data to the backup target.
    • Error “Access is denied” when backing up files and folders on Windows
    • Error “local error: tls: record overflow”
    • Microsoft SQL Server backup encountered a VDI error
    • Network Connectivity Errors
    • How to Locate All EFS Encrypted Files for Windows 10 and Server
    • Couldn’t save folder details: fs.TempFile: Access is denied
    • Couldn’t save Office 365 data for account – The requested user is invalid
    • WARNING Data error (cyclic redundancy check) occurred inside byte range
    • Set-Disk : Access Denied During Disk Image Backup
    • The System State encountered a problem: exit status 0xfffffffc
    • Runtime: VirtualAlloc of xx bytes failed with errno=1455 fatal error: out of memory
    • Disk Image Backup – Checking if device is ready: DeviceIoControl: The request could not be performed
    • Checking if device xx is ready: DeviceIoControl: The request failed due to a fatal device hardware..
    • x509 Certificate has expired or is not yet valid
    • Couldn’t load tree/xyz for subdirectory: tree/xyz not present in any index
    • Optimizing snapshot: not present in any index
    • Reading subdirectories of – Open: /Files/Documents/ operation not permitted
    • file truncated (expected xxxx bytes, got 0)
    • WARNING: Node (xxxx) filename.ext’ collision at position xxxx
    • How to easily find disks with read / write errors in Windows
    • Multiple connections to a server or shared resource error
    • Application failed to start because no Qt platform plugin could be initialized
    • OneDrive The cloud operation is not supported on a read-only volume
    • Hyper-V Error: Backing up exit status 1 (skipping)
  • FAQs
    • Account Devices and Billing
    • How can I restore my files to a new computer?
    • How to reset a backup account password
    • Can’t login to eazyBackup – Login information doesn’t work
    • Cloud Storage and Online Backup Service for Protected Health Information
    • How to cancel your eazyBackup subscription
  • eazyBackup Rebranding
    • Backup Client and Control Panel Branding
    • White Label Email Configuration
  • e3 Object Storage
    • e3 Object Storage Pricing FAQs
    • Manage Billing
    • Delete Account
    • How to configure QNAP Hybrid Backup Sync to S3 Compatible Object Storage
    • How to Use Arq Backup with eazyBackup e3 Object Storage
    • How to use Synology Hyper Backup with eazyBackup e3 Object Storage
    • How to use Duplicati with eazyBackup e3 Object Storage
    • How to use rclone with eazyBackup e3 S3 Compatible Object Storage
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On this page
  • Internet Bandwidth
  • Recent changes
  • PC performance
  • Storage performance

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  1. Troubleshooting

Diagnosing Slow Backup Jobs

PreviousChange of hardware causes registration dialog to appearNextError “EFS-encrypted files may be unusable once restored”

Last updated 11 months ago

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There are many possible reasons why a backup job might be slow.

Internet Bandwidth

  • Check the speed of your internet connection, is a popular website that will test your transfer rates. Your upload bandwidth will be the limiting factor in how quickly your can transfer data to your cloud storage vault.

Recent changes

Did the issue suddenly start happening, at a certain time?

  • New software

    • Any recently-installed software might change the performance profile of the customer's PC.

    • On Windows, check in "Programs And Features" and sort by Date to see any recently-installed software

PC performance

Do you have multiple computers experiencing the issue, or just a single PC? This helps determine whether the issue is related to a particular computer or whether the issue is related to the environment.

  • Antivirus

    • Many antivirus programs will scan each file as eazyBackup reads them, including but not limited to ESET NOD32 and Windows Defender.

    • Does it help to exclude eazyBackup backup-tool.exe program in the antivirus software?

      • v19.3.13 and later automatically does this for Windows Defender.

    • Does the antivirus process show as having high usage in Task Manager when the backup is running?

  • Use of slow settings

    • Ensure the "Limit backup to use only 1 disk thread" option is not enabled

    • Ensure the "speed limit" option is not enabled

    • Ensure the "Prefer temporary files instead of RAM (slower)" option is not enabled

    • Toggle the "Rescan unchanged files" option, to see if it increases- or decreases- performance

  • RAM usage

    • With large data sets, there are many different data chunks that may be deduplicated against. eazyBackup can use a few GB of RAM to hold all the indexes for deduplication. If the local PC is low on RAM, it may use the swapfile / pagefile, which can significantly reduce performance.

  • CPU usage

    • eazyBackup compresses and encrypts all data before upload. On weak CPUs this may cause high CPU usage. The CPU usage may become a bottleneck.

Storage performance

  • Avoid backing up files from a network share

    • If you are backing up files from a network location, eazyBackup must make many network roundtrips to access the data. It may be substantially faster to install eazyBackup on the network device instead.

  • Backup source is a single-queue block device

    • eazyBackup issues many requests to the source disk in parallel. To avoid negatively affecting other programs on the PC, eazyBackup tries to access the source disk at a low OS priority, but this may be ineffectual if your disk only supports a single queue. You can toggle the "Limit backup to use only 1 disk thread" option to force eazyBackup to make only a disk request to the source disk at a time. This may have a positive effect on other programs on the PC, at the expense of backup job performance.

  • Use of external harddrives

    • Is it USB 2 or USB 3?

    • Some disk drives may experience slow performance. You can use a benchmarking tool to determine the expected performance of the USB drive both in sequential reads, and in small random reads) independently of eazyBackup, as a baseline to compare against eazyBackup's performance.

    • Performance Mode

      • There is an option in Windows to control whether USB drives are configured for "Quick removal" (default) or "Better performance". Switching to the latter mode can significantly improve performance, but requires you to safely eject the drive. To change this setting:

        1. Open Device Manager > Disk drives > Properties > Policies tab

        2. If the "Quick removal" / "Better performance" radio option is available, ensure it is set to "Better performance"

        3. If the "Enable write caching" checkbox option is available, ensure that it is enabled

  • Backing up direct to cloud storage

    • Check the speed of your internet connection

    • Check the Internet service provider's status page, to ensure they are not currently experiencing any error


At the time of writing, is a popular freeware software for measuring disk performance on Windows.

fast.com
CrystalDiskMark
eazyBackup