This readme contains the latest information for Autodesk^® AutoCAD^® Plant 3D 2015. It is strongly recommended that you read this entire document before you install this product.

Windows 8 and 8.1:

• On Windows 8 and 8.1 Microsoft WSE 3.0 should be installed before installing AutoCAD Plant 3D. You can install WSE 3.0 here: Web Services Enhancements (WSE) 3.0 for Microsoft .NET. If WSE 3.0 is not installed an Error 1722 displays during installation.
• On Windows 8 and 8.1 in Report Creator you cannot use report preview. If you click the Preview button an Arithmetic operation resulted in an overflow error message displays.

Autodesk AutoCAD 2015 Service Pack 2

• If you install AutoCAD 2015 Service Pack 2 on the same computer (side-by-side) as AutoCAD Plant 3D 2015, AutoCAD Plant 3D 2015 Service Pack 1, or AutoCAD Plant 3D 2015 Extension 1 (Subscription), you may experience issues creating Iso drawings, working with vault projects, and creating equipment. To avoid this problem, do not install AutoCAD 2015 Service Pack 2. You can install AutoCAD Plant 3D 2015 Service Pack 2 (which will include AutoCAD 2015 Service Pack 2) when it is available.
  
  If you have already installed AutoCAD 2015 Service Pack 2 and do not want to uninstall it, your administrator can download plnt3d2015_acd2015sp2.bat.txt and rename it to plnt3d2015_acd2015sp2.bat. Run as Administrator to apply the fix. Warning! Problems caused by improperly modifying the Windows registry could render your computer operating system unusable.

AutoCAD Feature Limitations and Notes

• AutoCAD 2015 Readme: http://www.autodesk.com/autocad-win-readme-2015-enu

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