|Message:||The transport process couldn’t save poison message information to the registry. Access to the registry failed with the following error: %1|
This Error event indicates the Microsoft Exchange Transport service could not save poison message information to the registry on the Hub Transport server or Edge Transport server.
Poison message information is stored in the registry at HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Transport\PoisonMessage.
By default, the following permissions are granted to this registry key and all sub-keys:
These permissions are usually inherited from the registry key HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Transport\.
To resolve this error, verify the following permissions are granted to the registry key HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Transport\PoisonMessage:
If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.