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When you try to upgrade Microsoft Dynamics CRM 3.0 with Update Rollup 2 to Microsoft Dynamics CRM 4.0, you receive the following error message:
Action Microsoft.Crm.Setup.Server.PublishDefaultDataAction failed. MaxLength is out of range for 'description' attribute. MaxLength:1073741823, MemoMinLength: 1, MemoMaxLength: 100000 Specified argument was out of the range of valid values. Parameter name: MaxLength is out of range for 'description' attribute. MaxLength: 1073741823, MemoMinLength: 1, MemoMaxLength: 100000
For more information about Update Rollup 2 for Microsoft Dynamics CRM 3.0, click the following article number to view the article in the Microsoft Knowledge Base:
927751 Update Rollup 2 for Microsoft Dynamics CRM 3.0 is available
A setup update is available from Microsoft. When you install Microsoft Dynamics CRM 4.0, or when you upgrade to Microsoft Dynamics CRM 4.0, you can check for setup updates. If you select the option to check for setup updates, the application downloads any new setup updates and applies the setup updates to the installation while the setup process is running.
To obtain this fix, use the Update Installation Files option during Microsoft Dynamics CRM 4.0 setup. For more information about how to use the Update Installation Files option or how to manually download the setup update, click the following article number to view the article in the Microsoft Knowledge Base:
948917 How to obtain the setup updates for Microsoft Dynamics CRM 4.0