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

# Database mirroring

> Keep a customer-managed SQL Server replica in sync with your SuperOffice Online tenant for reporting, analytics, and offline processing.

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  <h1>Database mirroring</h1>

  <p className="description">Keep a customer-managed SQL Server replica in sync with your SuperOffice Online tenant for reporting, analytics, and offline processing.</p>

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          <span>Get started</span>
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        <ul>
          <li><a href="/en/online/mirroring/overview">What is Database Mirroring?</a></li>
          <li><a href="/en/online/mirroring/requirements">Requirements</a></li>
          <li><a href="/en/online/mirroring/order-database-mirroring">Order Database Mirroring</a></li>
        </ul>
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      ***

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          <span>Deploy</span>
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          <li><a href="/en/online/mirroring/setup-guide">Set up the client (step-by-step)</a></li>
        </ul>
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    <Card title="Migrate from legacy mirroring">
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          <span>How-to guide</span>
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          <li><a href="/en/online/mirroring/migrate">Migration guide (parallel run + database rename)</a></li>
          <li><a href="/en/online/mirroring/migrate.md#schema-alignment">Schema alignment (dbo vs crm7)</a></li>
          <li><a href="/en/online/mirroring/migrate.md#rollback">Rollback</a></li>
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          <span>How-to guide</span>
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          <li><a href="/en/online/mirroring/force-resync">Force re-sync</a></li>
          <li><a href="/en/online/mirroring/troubleshooting">Troubleshooting</a></li>
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          <span>Reference</span>
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          <li><a href="/en/online/mirroring/setup-guide.md#command-reference">Command reference</a></li>
          <li><a href="/en/online/mirroring/setup-guide.md#configuration-reference">Configuration reference (appsettings.json)</a></li>
          <li><a href="/en/online/mirroring/scenarios">Scenarios</a></li>
          <li><a href="/en/online/mirroring/sql-server-schema">SQL Server schema</a></li>
          <li><a href="/en/online/mirroring/change-tracking">Change tracking (CDC)</a></li>
          <li><a href="/en/online/mirroring/blocked-tables">Blocked tables</a></li>
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          <span>Reference</span>
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        <ul>
          <li><a href="/en/online/mirroring/conceptual-overview-2016">Conceptual overview (2016)</a></li>
          <li><a href="/en/online/mirroring/mirroring-task">Mirroring Task (legacy)</a></li>
          <li><a href="/en/online/mirroring/getting-started/index">Getting started (legacy)</a></li>
          <li><a href="/en/online/mirroring/getting-started/create-wfc">Create a WCF service (legacy)</a></li>
          <li><a href="/en/online/mirroring/getting-started/i-mirror-client-service">IMirrorClientService interface (legacy)</a></li>
          <li><a href="/en/online/mirroring/skip-tables">Skipped tables (obsolete from 10.1.8)</a></li>
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## Related topics

- [Database mirroring](/en/online/mirroring/overview.md)
- [Order database mirroring](/en/online/mirroring/order-database-mirroring.md)
- [Database Mirroring requirements](/en/online/mirroring/requirements.md)
- [Troubleshooting Database Mirroring](/en/online/mirroring/troubleshooting.md)
- [Database Mirroring scenarios](/en/online/mirroring/scenarios.md)
- [CRM Online Database Mirroring](/en/api/nuget/crm-online-mirroring.md)
- [Set up the Database Mirroring client](/en/online/mirroring/setup-guide.md)