# Parallels Remote Application Server

## For Administrators

<table data-full-width="false"><thead><tr><th></th><th>Version 21</th><th>Version 20</th><th>Version 19</th><th data-hidden>Version 18</th></tr></thead><tbody><tr><td>Parallels RAS Administrator’s Guide</td><td><a href="/spaces/djZAnEUWE2gAOnzhy2ZY">HTML</a> | <a href="https://download.parallels.com/ras/v21/en_US/Parallels-RAS-21-Administrators-Guide.pdf">PDF</a></td><td><a href="/spaces/qvXTJEfOHjIrBwAHJibk">HTML</a> | <a href="https://download.parallels.com/ras/v20/en_US/Parallels-RAS-20-Administrators-Guide.pdf">PDF</a></td><td><a href="/spaces/prAg55Lex8KNHp67v1YH">HTML</a> | <a href="https://download.parallels.com/ras/v19/docs/en_US/Parallels-RAS-19-Administrators-Guide.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-18-Administrators-Guide/">HTML</a> | <a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-18-Administrators-Guide.pdf">PDF</a></td></tr><tr><td>Parallels RAS Management Portal</td><td><a href="/spaces/VAB0zvhxqscYN9LxAAVU">HTML</a></td><td><a href="/spaces/s9LpaAAOTMuY3U2v5IRV">HTML</a></td><td><a href="/spaces/MjEytPvZyYbo4Bo2GQlT">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-18-Management-Portal-Guide/">HTML</a> | <a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-18-Management-Portal-Guide.pdf">PDF</a></td></tr><tr><td>Parallels RAS PowerShell Guide</td><td><a href="/spaces/j0vLYjxajdqoNNNm2vja">HTML</a> | <a href="https://download.parallels.com/ras/v21/en_US/Parallels-RAS-PS-API-Guide-21.pdf">PDF</a></td><td><a href="/spaces/DPf4xVx9isIi0N7QbFdg">HTML</a> | <a href="https://download.parallels.com/ras/v20/en_US/Parallels-RAS-PS-API-Guide-20.pdf">PDF</a></td><td><a href="/spaces/zhIl3F2M0W1fuFUx2R1e">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-v18-PowerShell-Guide/">HTML</a> | <a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-PowerShell-Guide.zip">ZIP</a></td></tr><tr><td>Parallels RAS REST API Guide</td><td><a href="/spaces/jyGAUPrA6XIdGAfHCnJE">HTML</a> | <a href="https://download.parallels.com/ras/v21/en_US/Parallels-RAS-REST-API-Guide-21.pdf">PDF</a></td><td><a href="/spaces/Z8XGDCkBwD99KR84HOSh">HTML</a> | <a href="https://download.parallels.com/ras/v20/en_US/Parallels-RAS-REST-API-Guide-20.pdf">PDF</a></td><td><a href="/spaces/5XwMkp8n9BbyeLus7keH">HTML</a></td><td><a href="https://update.parallels.com/ras/v18/docs/en_US/Parallels-RAS-REST-API-Guide/">HTML</a> | <a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-REST-API-Guide.zip">ZIP</a></td></tr><tr><td>Parallels RAS Release Notes</td><td><a href="https://kb.parallels.com/en/131037">HTML</a></td><td><a href="https://kb.parallels.com/en/130242">HTML</a></td><td><a href="https://kb.parallels.com/en/129018">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Integrating-with-Parallels-RAS-Clients.pdf">PDF</a></td></tr><tr><td>Integrating with Parallels RAS Clients</td><td><a href="/spaces/gshREaCy5Vh3zSWdyX14">HTML</a></td><td><a href="/spaces/b6Snx6c7jZjDZtg0tZU9">HTML</a></td><td><a href="/spaces/fX4FfPhlqZrJPZfu1NbW">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-18-Reporting-Service-Guide.pdf">PDF</a></td></tr><tr><td>Parallels RAS Azure Marketplace Deployment</td><td><a href="/spaces/tQgUP6n12RJdCPl8FTfX">HTML</a></td><td><a href="/spaces/7XBFIsMTUpdMhrvjVabw">HTML</a></td><td>—</td><td></td></tr><tr><td>Parallels RAS Reporting Service Guide</td><td><a href="/spaces/v7JXAG7tFZ9npEP6EYDL">HTML</a></td><td><a href="/spaces/jjmSAJVPvgoprIS3E9H7">HTML</a></td><td><a href="/spaces/2kjEOHAy00I2kgLsCmNM">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-18-Licensing-Guide.pdf">PDF</a></td></tr><tr><td>Parallels RAS Licensing Guide</td><td><a href="/spaces/w7ZgQn1tbWdUwSZhaCj4">HTML</a></td><td><a href="/spaces/LQtSyxOISWMTRAnA2BE2">HTML</a></td><td><a href="/spaces/uIMdrdxIt1vEDyJA9XHO">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-18-Licensing-Guide.pdf">PDF</a></td></tr><tr><td>Parallels RAS Service Provider License Agreement Guide</td><td><a href="/spaces/todVxaBC0myaIawCT7Z4">HTML</a></td><td><a href="/spaces/iWB2VuhrOng0juQmMavn">HTML</a></td><td><a href="/spaces/C9rS3JY5FE5y1KSnXwnc">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-SPLA-Guide.pdf">PDF</a></td></tr><tr><td>FSLogix Profile Container and Office Container Best Practices</td><td><a href="/spaces/JQeylYYUgmXjA1r0hKUD">HTML</a></td><td><a href="/spaces/GN50vo9zIQkqST192Tji">HTML</a></td><td><a href="/spaces/pETCpqTmE0R8S5VFkumL">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-FSLogix-Practices-Guide.pdf">PDF</a></td></tr><tr><td>Parallels RAS Best Practices Guide</td><td><a href="/spaces/67XJQcLeoBbGgfLRZ60X">HTML</a></td><td><a href="/spaces/7HW6Myz2FKLGhwEeH7Fo">HTML</a></td><td><a href="/spaces/SGIfQeytC3ndYZhR73Ly">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-Best-Practices-Guide.pdf">PDF</a></td></tr><tr><td>Parallels RAS Universal Printing Best Practices</td><td><a href="/spaces/RremlggjzjhxgMKStRmF">HTML</a></td><td><a href="/spaces/Wgar1CZZf3FcUHAAbJcK">HTML</a></td><td><a href="/spaces/ljN1PMxowJlL6o5oaLDg">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-Universal-Printing-Best-Practices.pdf">PDF</a></td></tr><tr><td>Parallels RAS Reference Architecture</td><td><a href="/spaces/jRndoUJVjRrmCN0WR7H6">HTML</a></td><td><a href="/spaces/UeikLuDDp8PeVolUBftD">HTML</a></td><td><a href="/spaces/kldliYhYd3ruhOnSCITd">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-18-Solutions-Guide.pdf">PDF</a></td></tr><tr><td>Parallels RAS Visio Stencils</td><td><a href="https://download.parallels.com/ras/v21/en_US/Parallels-RAS-Visio-Stencils.vssx">VSSX</a></td><td><a href="https://download.parallels.com/ras/v20/en_US/Parallels-RAS-Visio-Stencils.vssx">VSSX</a></td><td><a href="https://download.parallels.com/ras/v19/docs/en_US/Parallels%20RAS%20Visio%20Stencils.vssx">VSSX</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels%20RAS%20Visio%20Stencils.vssx">VSSX</a></td></tr><tr><td>Parallels RAS SAML SSO Examples</td><td><a href="http://download.parallels.com/ras/v21/en_US/Parallels-RAS-21-SAML-SSO-Examples.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v20/en_US/Parallels-RAS-20-SAML-SSO-Examples.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v19/docs/en_US/Parallels-RAS-19-SAML-SSO-Examples.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-18-SAML-SSO-Examples.pdf">PDF</a></td></tr><tr><td>Scalability and Cost of Using Parallels RAS with Microsoft Azure</td><td><a href="http://download.parallels.com/ras/v21/en_US/Scalability-and-Cost-of-Using-RAS-with-Azure.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v20/en_US/Scalability-and-Cost-of-Using-RAS-with-Azure.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v19/docs/en_US/Scalability%20and%20Cost%20of%20Using%20RAS%20with%20Azure.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Scalability%20and%20Cost%20of%20Using%20RAS%20with%20Azure.pdf">PDF</a></td></tr><tr><td>Parallels RAS Scalability Testing with Login VSI - 250 Users - Task Worker</td><td><a href="https://download.parallels.com/ras/v21/en_US/Parallels-RAS-Scalability-Testing-with-Login-VSI-250-Users-Task-Worker.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v20/en_US/Parallels-RAS-Scalability-Testing-with-Login-VSI-250-Users-Task-Worker.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v19/docs/en_US/Parallels%20RAS%20Scalability%20Testing%20with%20Login%20VSI%20-%20250%20Users%20-%20Task%20Worker%20.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-Scalability-Testing-Login-VSI.pdf">PDF</a></td></tr><tr><td>Parallels RAS Scalability Testing with Login VSI - 1000 Users - Knowledge Worker</td><td><a href="http://download.parallels.com/ras/v21/en_US/Parallels-RAS-Scalability-Testing-with-Login-VSI-1000-Users-Knowledge-Worker.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v20/en_US/Parallels-RAS-Scalability-Testing-with-Login-VSI-1000-Users-Knowledge-Worker.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v19/docs/en_US/Parallels%20RAS%20Scalability%20Testing%20with%20Login%20VSI%20-%201000%20Users%20-%20Knowledge%20Worker.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels%20RAS%20Scalability%20Testing%20with%20Login%20VSI%20-%201000%20Users%20-%20Knowledge%20Worker.pdf">PDF</a></td></tr><tr><td>Parallels RAS 5000 User Load and Performance Analysis</td><td><a href="http://download.parallels.com/ras/v21/en_US/Parallels-RAS-5000-User-Load-and-Performance-Analysis.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v20/en_US/Parallels-RAS-5000-User-Load-and-Performance-Analysis.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v19/docs/en_US/Parallels-RAS-5000-User-Load-and-Performance-Analysis.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-5000-User-Load-and-Performance-Analysis.pdf">PDF</a></td></tr><tr><td>Parallels RAS GPU Accelerated Application Publishing</td><td><a href="http://download.parallels.com/ras/v21/en_US/Parallels-RAS-GPU-Accelerated-Application-Publishing.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v20/en_US/Parallels-RAS-GPU-Accelerated-Application-Publishing.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v19/docs/en_US/Parallels-RAS-GPU-Accelerated-Application-Publishing.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-GPU-Accelerated-Application-Publishing.pdf">PDF</a></td></tr><tr><td>Parallels Migration Tool for Citrix Virtual Apps and Desktops</td><td><a href="http://download.parallels.com/ras/v21/en_US/Parallels-RAS-Migration-Tool-for-Citrix-Virtual-Apps-and-Desktops.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v20/en_US/Parallels-RAS-Migration-Tool-for-Citrix-Virtual-Apps-and-Desktops.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v19/docs/en_US/Parallels-RAS-Migration-Tool-for-Citrix-Virtual-Apps-and-Desktops.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-RAS-Migration-Tool-for-Citrix-XenApp-6.x.pdf">PDF</a></td></tr></tbody></table>

## Reference Architectures

<table><thead><tr><th></th><th>Version 21</th><th> Version 20</th><th>Version 19</th><th data-hidden>Version 18</th></tr></thead><tbody><tr><td>Parallels RAS Reference Architecture for Azure</td><td><a href="https://download.parallels.com/ras/whitepapers/WP_AzureReference_EN_A4.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/WP_AzureReference_EN_A4.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/WP_AzureReference_EN_A4.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/WP_AzureReference_EN_A4.pdf">PDF</a></td></tr><tr><td>HPE Hyper Converged 380 Reference Configuration for Parallels RAS</td><td><a href="https://download.parallels.com/ras/whitepapers/WP_HPE_HC_380_EN_A4.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/WP_HPE_HC_380_EN_A4.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/WP_HPE_HC_380_EN_A4.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/WP_HPE_HC_380_EN_A4.pdf">PDF</a></td></tr><tr><td>HPE ProLiant DL380 and Microsoft Azure Reference Configuration for Parallels RAS</td><td><a href="https://download.parallels.com/ras/whitepapers/WP_Parallels_RAS_HPE_DL_380_EN_A4.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/WP_Parallels_RAS_HPE_DL_380_EN_A4.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/WP_Parallels_RAS_HPE_DL_380_EN_A4.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/WP_Parallels_RAS_HPE_DL_380_EN_A4.pdf">PDF</a></td></tr><tr><td>Reference Configuration for Parallels RAS on Scale Computing</td><td><a href="https://download.parallels.com/ras/whitepapers/Parallels-RAS-Configuration-for-Parallels-RAS-on-Scale-Computing.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/Parallels-RAS-Configuration-for-Parallels-RAS-on-Scale-Computing.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/v19/docs/en_US/Parallels-RAS-Configuration-for-Parallels-RAS-on-Scale-Computing.pdf">PDF</a></td><td><a href="https://download.parallels.com/ras/whitepapers/Reference%20Configuration%20for%20Parallels%20RAS%20on%20Scale%20Computing%20HC3.pdf">PDF</a></td></tr></tbody></table>

## For End Users

<table><thead><tr><th></th><th>Version 21</th><th>Version 20</th><th>Version 19</th><th data-hidden>Version 18</th></tr></thead><tbody><tr><td>Parallels Client for Windows User’s Guide</td><td><a href="/spaces/nfrGWpPrj4arakM68LxX">HTML</a></td><td><a href="/spaces/qtrGgfmXZYOH1l6jUgcp">HTML</a></td><td><a href="/spaces/a68C2Z9nZIzrSlQ1IhnV">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-Client-for-Windows-18-User-Guide/">HTML</a> | <a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-Client-for-Windows-18-User-Guide.pdf">PDF</a></td></tr><tr><td>Parallels CLI Client for Windows Guide</td><td><a href="/spaces/9jlWqUZLPU2uhnO2cBT7">HTML</a></td><td><a href="/spaces/TfAZVcGKFUVR1zmEAuTG">HTML</a></td><td>—</td><td>—</td></tr><tr><td>Parallels Client for Mac User’s Guide</td><td><a href="/spaces/rf3B1Rmk4pRqlr1KJ6mx">HTML</a></td><td><a href="/spaces/xiBp9bXH5d5NwhcOVykL">HTML</a></td><td><a href="/spaces/8Iat1nvXqN2xbQ2dVcTS">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-Client-for-Mac-18-User-Guide.pdf">PDF</a></td></tr><tr><td>Parallels Client for Linux User's Guide</td><td><a href="/spaces/7LkbqKElbeTvbpNFxCrG">HTML</a></td><td><a href="/spaces/OXIOIhxgc3P4sniJUPqj">HTML</a></td><td><a href="/spaces/xmLmmfMLQhp2Wa84bRzF">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-Client-for-Linux-18-User-Guide.pdf">PDF</a></td></tr><tr><td>Parallels Client for Android User's Guide</td><td><a href="/spaces/ihgOmsnckDAzafueBtI2">HTML</a></td><td><a href="/spaces/keUoF7YtiHJNX4ABAGoM">HTML</a></td><td><a href="/spaces/dE26aPb472s8cuV4JFhy">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-Client-for-Android-v18-User-Guide.pdf">PDF</a></td></tr><tr><td>Parallels Client for iOS User's Guide</td><td><a href="/spaces/Kw823RUhx3n78qNs86aX">HTML</a></td><td><a href="/spaces/gzGzYOVfEylIR5R1IWEv">HTML</a></td><td><a href="/spaces/SIu4reWHhucqBCqoarYL">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-Client-for-iOS-v18-User-Guide.pdf">PDF</a></td></tr><tr><td>Parallels User Portal</td><td><a href="/spaces/YnQ4lJjKzPsoBZR4sRx3">HTML</a></td><td><a href="/spaces/vQWcKyRKT966Rcbd8LKB">HTML</a></td><td><a href="/spaces/TAWie8hohyOrHjbcoF92">HTML</a></td><td><a href="https://download.parallels.com/ras/v18/docs/en_US/Parallels-Client-for-Chrome-v18-User-Guide.pdf">PDF</a></td></tr></tbody></table>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.parallels.com/landing/ras-guides/parallels-remote-application-server.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
