Sandbox Worker Processes not Available

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Posted on by SiPurdy

We've deployed a solution which is utilizing sandboxed plugins which has been deployed on a site. For some strange reason whenever a plugin fires, it results in the following error in the trace:-

Crm Exception: Message: The plug-in execution failed because no Sandbox Worker processes are currently available. Please try again.
System.ServiceModel.CommunicationException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #408293A2, ErrorCode: -2147204723

Checking the server when this was occurring, there were a large number (50 ish) Sandbox Worker Processes. We've had to move the assembly out of the sandbox so that the plugins run (which they are), and as far as I can determine none of the plugins are throwing exceptions.

Is there any advice on how to track down the causes of this issue?

Many thanks

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Satish Tiwari - CRM Microsoft Employee on at

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I would suggest you to review code again for plug-in and search for the problematic point. Also, you can change the Isolation level of the custom plug-in from Sandboxed to None and it may help you.

Regards,

Satish T

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Abe Saldana 390 on at

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we had a similar issue, in our case it was the .Net Version we use for the plugins and the version installed on the server, plugins using version 4.5 and server only had version 4.0, or similar versions, after updating the servers with the correct .Net framework the Sandbox Service was running without any issues

also you can follow the conversation on the following post: http://social.microsoft.com/Forums/en-US/e1a33311-e908-433e-b551-3c751e5c317b/crm-2011-online-plugin-communicationobjectfaultedexception

abe saldana

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Hi Satish,

Could you please tell me how can I change the Isolation level of theh custom plug-in from Sandboxed to None?

Thank you very much.

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Satish Tiwari - CRM Microsoft Employee on at

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Satish Tiwari - CRM Microsoft Employee on at

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Select the plug-in, click on Update and you will get an option to change to Isolation mode.

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Hi Statish,

I can't change Isolation to none plugin mode because I deploy plug-in to Crm online. Could you suggest me to resolve the problem.

Thanks

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check this link : ashwaniashwin.wordpress.com/.../crm-2011-error-the-plug-in-execution-failed-because-no-sandbox-hosts-are-currently-available

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