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No streaming resources are available for your session. Try again in a few minutes. If this problem continues, contact your administrator.

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No streaming resources are available for your session. Try again in a few minutes. If this problem continues, contact your administrator. When I generate 4 streaming url, I am getting above issue. Could please help on this? Auto Scaling Instance type :stream.standard.medium Fleet type:On-demand Disconnect timeout 15 Minutes Idle Disconnect Timeout 5 Minutes Stream view App Maximum session duration 960 Minutes Minimum capacity 2 Maximum capacity 5 IAM role None Desired Capacity 2 Scale In Policies default-scale-in: If Capacity Utilization <= 25 % then remove 1 instance(s) Scale Out Policies default-scale-out: If Capacity Utilization >= 75 % then add 2 instance(s)

asked 3 months ago87 views
2 Answers
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With on-demand and always-on fleets, it takes 10-15 minutes for another instance to become part of the fleet and available as a streaming resource. You should adjust your scaling polices so you have a larger amount of extra instances ready (buffer capacity).

In this case, you could change your default-scale-out to If Capacity Utilization >= 50 % then add 2 instance(s), which would make your fleet larger after 50% of the fleet instances are used.

Scaling is an in-depth conversation. Here is a good blog https://aws.amazon.com/blogs/desktop-and-application-streaming/scale-your-amazon-appstream-2-0-fleets/. If you know your account team, you should reach out and a specialist can go through this in more detail.

answered 3 months ago
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With the settings you provided your fleet starts with only two available instances and those would be consumed by the first two URLs to be used. As your instances are used your scaling settings come into play where the back-end will spin up new instances for your users. There is a delay associated with the pending capacity but it should eventually make new instances available up to your maximum of 5.

If you want all four URLs to be usable immediately you need to adjust your minimum capacity to match. Please see here for more details: https://aws.amazon.com/blogs/desktop-and-application-streaming/scale-your-amazon-appstream-2-0-fleets/

answered 3 months ago

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