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RASInsider

Parallels RAS engineering, explained from the field.

Practical articles, lab notes and tools for administrators working with Parallels RAS, RDS and VDI.

Available on the App StoreRASInsider for iPhone ↗ Upgrading Parallels RAS 21 to 22 on a multi-component farm
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02 / LATEST

Latest from RASInsider

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Parallels RAS : mise a jour de la version 21 vers la 22
November 11, 2026

Upgrading Parallels RAS 21 to 22 on a multi-component farm

The console’s Check for Updates button is handy in a lab, but on a distributed farm it updates components in an order you don’t control — and that’s where the nasty surprises come from. Here is the manual, ordered procedure I use in production to move from v21 to v22, validated in the lab beforehand. … Read more

Inside HALB - Parallels RAS
November 11, 2026

Inside HALB: no, you can’t just waltz in

Everyone deploys one, nobody has ever opened it up. The HALB — High Availability Load Balancing — is that appliance you drop in front of the Secure Gateways, configure in two screens, and forget. I wanted to know what was inside, and above all to answer a question every architect asks: is it a fragile … Read more

Récap RASInsider d’octobre 2026 : sortie de Parallels RAS 22, builds 21.2, sécurité et KB
November 8, 2026

This month at Parallels — October 2026

October was a busy month: Parallels RAS 22 shipped on the 30th, while the 21.2 branch still received three builds in three weeks. On the security side, good news: the PHP2Shell vulnerabilities do not affect RAS components. Here is everything worth remembering. The October 2026 recap: new Parallels RAS builds, new KB articles, release notes, … Read more

05 / PARALLELS KB

Latest Parallels RAS KB articles

New and updated knowledge base articles, checked every hour on kb.parallels.com.

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  1. NewKB 131239November 11, 2026 Installation or Upgrade to RAS V22 fails
  2. ReleaseKB 131219November 11, 2026 Parallels Remote Application Server v22 Release Notes
  3. NewKB 131236November 10, 2026 Email-based account discovery
  4. UpdatedKB 125166November 10, 2026 Parallels Remote Application Server logs location
  5. UpdatedKB 123235November 10, 2026 Antivirus exclusions
  6. UpdatedKB 123742November 9, 2026 How to limit users to only start applications from one machine at the time