We are also seeing the below, is this because we changed the permissions to try and get rid of the other event ID?:

Log Name: Application
Source: MSCRMSandboxClient
Date: 16/11/2011 05:48:27
Event ID: 20247
Task Category: None
Level: Warning
Keywords: Classic
User: N/A
Computer: server.domain.net
Description:
A Sandbox Host is not available.
Source: CrmAsyncService.exe (1496)
Sandbox Host: server
Reason: System.ServiceModel.EndpointNotFoundException: There was no endpoint listening at net.pipe://localhost/CrmSandboxHost that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.
Event Xml:



20247
3
0
0x80000000000000

46322
Application
server.domain.net



CrmAsyncService.exe (1496)
server
System.ServiceModel.EndpointNotFoundException: There was no endpoint listening at net.pipe://localhost/CrmSandboxHost that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.

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