> For the complete documentation index, see [llms.txt](https://helpcenter.xopero.com/xopero-one-en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://helpcenter.xopero.com/xopero-one-en/common-issues.md).

# COMMON ISSUES

- [General](https://helpcenter.xopero.com/xopero-one-en/common-issues/general.md): Various issues related to the Xopero ONE ecosystem, including permission errors, backup failures, and other common problems.
- [Most common errors](https://helpcenter.xopero.com/xopero-one-en/common-issues/general/most-common-errors.md): A list of most common errors and how to fix them.
- [Encryption switch in the backup plan settings is disabled](https://helpcenter.xopero.com/xopero-one-en/common-issues/general/encryption-switch-in-the-backup-plan-settings-is-disabled.md): How to troubleshoot disabled encryption settings in an existing backup plan.
- [The management service web panel is blank upon login](https://helpcenter.xopero.com/xopero-one-en/common-issues/general/the-management-service-web-panel-is-blank-upon-login.md): What to do if the Xopero ONE Management Service does not load properly.
- [Workstations and servers](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers.md): This article describes the common issues related to workstations and servers.
- [Agent installation on Windows Server 2008 R2 ends prematurely because of an error](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/agent-installation-on-windows-server-2008-r2-ends-prematurely-because-of-an-error.md)
- [Backup ends with a DW1010 warning](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/backup-ends-with-a-dw1010-warning.md)
- [Backup finishes with a "DV0140: Unable to query string" error](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/backup-finishes-with-a-dv0140-unable-to-query-string-error.md)
- [Backup task ends with a "DV0270: User-defined script failed" error](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/backup-task-ends-with-a-dv0270-user-defined-script-failed-error.md): In this article, you will learn how to add the MySQL dump utility to the path variable. This is necessary for define arguments for the MySQL database backup script installed on Linux.
- [Cannot delete device in Management Service](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/cannot-delete-device-in-management-service.md)
- [Database backup ends with a "DV0249 - Unable to read backup data" error](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/database-backup-ends-with-a-dv0249-unable-to-read-backup-data-error.md)
- [Device did not connect to the Management Service](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/device-did-not-connect-to-the-management-service.md)
- [Disk image backup task ends with an error](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/disk-image-backup-task-ends-with-an-error.md): LOREM IPSUM.
- [File-level backup did not protect all the selected files](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/file-level-backup-did-not-protect-all-the-selected-files.md)
- [Installed device does not appear in XMS](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/installed-device-does-not-appear-in-xms.md)
- [Microsoft SQL Server database backup ends with "DV0270:User-defined script failed" error](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/microsoft-sql-server-database-backup-ends-with-dv0270-user-defined-script-failed-error.md)
- ["Storage Initialization failed" error](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/storage-initialization-failed-error.md)
- ["The VSS Diff failed" error](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/the-vss-diff-failed-error.md)
- ["Unable to open store read" error](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/unable-to-open-store-read-error.md)
- [Unable to activate the backup agent after installation on Linux](https://helpcenter.xopero.com/xopero-one-en/common-issues/workstations-and-servers/unable-to-activate-the-backup-agent-after-installation-on-linux.md): Learn how to proceed if the installed backup agent cannot be activated.
- [Virtual machines](https://helpcenter.xopero.com/xopero-one-en/common-issues/virtual-machines.md)
- [VMware](https://helpcenter.xopero.com/xopero-one-en/common-issues/virtual-machines/vmware.md)
- [VMware backup is missing some files](https://helpcenter.xopero.com/xopero-one-en/common-issues/virtual-machines/vmware/vmware-backup-is-missing-some-files.md)
- [Hyper-V](https://helpcenter.xopero.com/xopero-one-en/common-issues/virtual-machines/hyper-v.md): Hyper-V related issues.
- [Backup ends with "DW9700 - Creation of Application consistent snapshot failed" error](https://helpcenter.xopero.com/xopero-one-en/common-issues/virtual-machines/hyper-v/backup-ends-with-dw9700-creation-of-application-consistent-snapshot-failed-error.md)
- [Hyper-V environment is not visible in XMS despite installing the agent on the host](https://helpcenter.xopero.com/xopero-one-en/common-issues/virtual-machines/hyper-v/hyper-v-environment-is-not-visible-in-xms-despite-installing-the-agent-on-the-host.md)
- [Residual Hyper-V checkpoints remaining after differential disk merge](https://helpcenter.xopero.com/xopero-one-en/common-issues/virtual-machines/hyper-v/residual-hyper-v-checkpoints-remaining-after-differential-disk-merge.md)
- [Unable to assign a license to a Hyper-V host](https://helpcenter.xopero.com/xopero-one-en/common-issues/virtual-machines/hyper-v/unable-to-assign-a-license-to-a-hyper-v-host.md)
- [Unable to backup a Hyper-V cluster](https://helpcenter.xopero.com/xopero-one-en/common-issues/virtual-machines/hyper-v/unable-to-backup-a-hyper-v-cluster.md)
- [Microsoft 365](https://helpcenter.xopero.com/xopero-one-en/common-issues/microsoft-365.md)
- [OST files are not included in backup](https://helpcenter.xopero.com/xopero-one-en/common-issues/microsoft-365/ost-files-are-not-included-in-backup.md)
- [DevOps](https://helpcenter.xopero.com/xopero-one-en/common-issues/devops.md): Issues related to DevOps environments and how to resolve them.
- ["DV9039: Failed to restore repository – push was rejected" error](https://helpcenter.xopero.com/xopero-one-en/common-issues/devops/dv9039-failed-to-restore-repository-push-was-rejected-error.md): How to troubleshoot the repository restore error.
- [Jira](https://helpcenter.xopero.com/xopero-one-en/common-issues/jira.md): Issues related to Jira environments and how to resolve them.
- ["DW5205: Found \[x\] corrupted attachments" error](https://helpcenter.xopero.com/xopero-one-en/common-issues/jira/dw5205-found-x-corrupted-attachments-error.md): How to fix the backup error related to corrupted attachments.