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The plugin execution failed because no Sandbox Hosts are currently available, how to solve this error?

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Hi all,

I am have custom api plugin in my solution. I cloned the repo into my system and imported the solution to my trial environment. I made some changes in the code and updated it to my trial environment using plugin registration tool. It was working fine before the i update the plugin. After updating it, when i call the api in dynamics i am getting this error..

The plug-in execution failed because no Sandbox Hosts are currently available. Please check that you have a Sandbox server configured and that it is running.
Microsoft.Xrm.RemotePlugin.Grpc.ExceptionHandlers.SandboxFabricHostCommunicationException: Error communicating with SandboxFabricHost. ChannelState - Ready ---> Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Received http2 header with status: 502", DebugException="Grpc.Core.Internal.CoreErrorDetailException: {"created":"@1622215598.376000000","description":"Received http2 :status header with non-200 OK status","file":"..\..\..\src\core\ext\filters\http\client\http_client_filter.cc","file_line":130,"grpc_message":"Received http2 header with status: 502","grpc_status":14,"value":"502"}")
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +0xc
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +0x28
at Grpc.Core.Internal.ClientResponseStream`2.<MoveNext>d__5.MoveNext() +0x11b
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +0xc
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +0x28
at Microsoft.Xrm.RemotePlugin.Grpc.SandboxFabricGrpcClient.<HandleGrpcStreams>d__48.MoveNext() +0x36f
--- End of inner exception stack trace ---
at Microsoft.Xrm.RemotePlugin.Grpc.SandboxFabricGrpcClient.<>c__DisplayClass48_2.<HandleGrpcStreams>b__1() +0x126
at Microsoft.PowerApps.CoreFramework.ActivityLoggerExtensions.Execute(ILogger logger, EventId eventId, ActivityType activityType, Action action, IEnumerable`1 additionalCustomProperties) +0x90
at Microsoft.Xrm.Telemetry.XrmTelemetryExtensions.Execute(ILogger logger, XrmTelemetryActivityType activityType, Action action) +0x13
at Microsoft.Xrm.RemotePlugin.Grpc.SandboxFabricGrpcClient.<HandleGrpcStreams>d__48.MoveNext() +0x5e6

I looked into some of the solution posted in community. But I am not sure where I can find services.ms to check whether sandbox is running or not.

And since it is trial environment, i dont know whether I should follow those solution.

Thank you...

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Microsoft Dataverse with Power Apps

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a33ik 3,306 Most Valuable Professional on at

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Hello,
I believe you're online. In this case, the only your resort is to get in touch with Microsoft Support and open the ticket because the issue you describe is the issue with infrastructure and you don't have an access to it.

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MahakJain 25 on at

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Facing same error with Virtual plugin.. Did you get any resolution to this error?

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nira 17 on at

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Hi,
Did you receive an answer from Microsoft on this issue and how did you resolve it?
Kind regards.

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Ben Thompson 1,400 on at

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Sandbox issues relate to Microsoft internal Dataverse infrastructure issues.

So you will need to speak to MS support to fix it. Usually it will be picked up by their internal monitoring tools so chances are it will be fixed quickly if it happens...

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nira 17 on at

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Thank you, Ben. I'll check again tomorrow and contact them if the issue is still present.

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Ganesh_Kumar 2 on at

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Microsoft doesn't even care to look into issue if there is any customization.

We are getting this error from Dual Write update from F&O to CE on synchronous and asynchronous plugins. Doesn't trigger any code in plugin and crashes with the same error posted.
Error:
The plug-in execution failed because the Sandbox Worker process crashed. This is typically due to an error in the plug-in code. Please refer to this document: https://go.microsoft.com/fwlink/?linkid=2189390
Microsoft.Xrm.RemotePlugin.Grpc.ExceptionHandlers.SandboxFabricWorkerCommunicationException: Error communicating with SandboxFabric Worker ---> Grpc.Core.RpcException: Status(StatusCode="Unavailable", Detail="Received http2 header with status: 502", DebugException="Grpc.Core.Internal.CoreErrorDetailException: {"created":"@1689249862.219000000","description":"Error received from peer ipv4:52.228.87.40:443","file":"..\..\..\src\core\lib\surface\call.cc","file_line":953,"grpc_message":"Received http2 header with status: 502","grpc_status":14}")
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +0xc
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +0x28
at Grpc.Core.Internal.Cli...).

Microsoft ask to remove customizations in production and test as it is not replicated in lower environments.

In Production - we cannot remove customizations, as is it not suggestible even.

On retry - this issue doesn't occur

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