Known Issues › Upgrading to r8.1 on Windows Server 2003

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Upgrading to r8.1 on Windows Server 2003

While upgrading CA ERwin Data Modeler r8.1 from r8 or r8.0.01 on the Windows Server 2003 platform, you may receive a digital signature policy error during the r8.1 installation. This is an operating system error that can be resolved by applying the update for Windows Server 2003 (KB925336) from Microsoft.