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System.OutOfMemoryException thrown while building a large C# solution using Visual Studio 2005 SP1 IDE.Article ID: 949755 - View products that this article applies to. Source: Microsoft Support RAPID PUBLISHINGRAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION. ActionCreated a large managed solution using Visual Studio that contains many managed projects inside. The size of the solution can be greater than 300 MB depending on what's in each project in the solution. The size can variety due to the nature of the problem. ResultWhen building such a large solution from the IDE, the build may fail with OutOfMemoryException. The output window contains the following error message. The "GenerateResource" task failed unexpectedly. System.OutOfMemoryException: Exception of type "System.OutOfMemoryException" was thrown. CauseThe solution size is the root cause of the problem. This is a limitation memory usage in any process. What is happening here is that the IDE is loading all files into memory and running out of process memory to continue due to the size of the solution. A process can ideally allocate 4 GB memory in 43 bit, but that is divided into 2 GB for user and 2 for kernel. When the process gets close to 2 GB memory usage it will throw OutOfMemory exception. ResolutionReducing the solution size by removing one project or a few projects will resolve the issue. Having many projects in a single solution is not good practice as well. More InformationStructuring Solutions and Projectshttp://msdn2.microsoft.com/en-us/library/ms998208.aspx
(http://msdn2.microsoft.com/en-us/library/ms998208.aspx)
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