This readme contains important information regarding the installation and contents of this Service Pack. It is recommended that you read the entire document before you apply the Service Pack to your product.

Contents

• Who Should Install This Service Pack?
• Information for Windows 10 Users
• Primary Issues Resolved by This Service Pack
• General Installation Information
• Before You Begin
• About Windows Command Line Switches
• Installation Instructions
  • Apply This Service Pack to a Stand-Alone Installation
  • Apply This Service Pack Through a Local Network
  • Apply This Service Pack to a Network Administrative Image
  • Uninstall This Service Pack

You can apply this Service Pack to the following Autodesk products running on all supported operating systems and languages. Be sure to install the correct Service Pack.

32-bit Product	Service Pack
Autodesk AutoCAD Mechanical 2016	ACM2016SP1_32bit.exe

64-bit Product	Service Pack
Autodesk AutoCAD Mechanical 2016	ACM2016SP1_64bit.exe

This Service Pack can be applied to AutoCAD Mechanical 2016 installed as a standalone application and the Autodesk Design Suites listed below.

• Autodesk Factory Design Suite 2016
• Autodesk Product Design Suite 2016

Note: Unlike the previous service packs, this service pack DOES NOT include AutoCAD 2016 Service Pack 1. We recommend that you install AutoCAD 2016 Service Pack 1 before installing AutoCAD Mechanical 2016 Service Pack 1. Refer to the AutoCAD 2016 Service Pack 1 readme for more information. Installing AutoCAD Mechanical 2016 Service Pack 1 without installing AutoCAD 2016 Service Pack 1 can cause unexpected issues.

Return to Top

The following issues have been addressed by AutoCAD Mechanical 2016 Service Pack 1:

Xref

• In some situations, fatal errors occur when resolving xrefs from some 3rd party applications.

Calculation

• Unhandled Exception errors in Beam Calculation.
• Unhandled Exception errors in Chain Length Calculation.

Standard Content

• Slow performance of some mechanical commands (eg. AMCONSTLINES, AMHATCH) in drawings that contain many blocks with standard content.

Title Block

• If a drawing has not been saved before, saving it via the Title Block dialog will introduce drawing errors.

Construction Lines

• Crosshair is missing when using AMCONST_CIRCLE command.
• AMCONSTC2 does not work correctly.

Dimension

• Precision setting in AMDIMFORMAT dialog box shows some random number.

Chamfer and Fillet

• AMCHAM2DTAB and AMFILLET2DTAB do not retain their setting after restarting AutoCAD Mechanical.
• Inside scale area, chamfer dimension created with AMCHAM2D becomes very long.

AcConnectWebservices

• AcConnectWebservices.arx gets loaded even when user is not signed in to A360 and Check for content library updates is disabled.

Symbols

• There is gap in welding symbol when drawings from AutoCAD Mechanical 2014 are opened in AutoCAD Mechanical 2016.

Match Properties

• In some situations, MATCHPROP does not work.

Viewport

• Viewport does not activate for selection when you change the scale factor.

Detail View

• Position of detail view gets shifted when UCS is used.

Return to Top

• Before You Begin
• About Windows Command Line Switches

Return to Top

Before you install this Service Pack, review the following information:

Back Up Custom Files

It is recommended that you back up all custom CUIX, MNR, and MNL files before you apply this Service Pack.

Administrator Privileges

During installation, you will be prompted for the original installation media or a network image. To apply this Service Pack, you must have administrator privileges to install and uninstall products.

Network Deployment

Administrators can deploy this Service Pack over a network using the Deployment Wizard.

About Your Product

After you install the Service Pack, updated product information displays in the About dialog box.

Reboot

After you install this Service Pack, it is recommended that you reboot your system even if you are not prompted to do so.

Return to Top

The following Microsoft Windows command line switches are built into this Service Pack:

• /e – Extracts the MSP file from the Service Pack executable file.
• /q – Suppresses the completion message after the Service Pack is applied. This is useful if you use a script or batch file to apply this Service Pack to multiple computers.

Instructions about how to use the /e command line switch are included in the installation procedures that follow.

Return to Top

• Apply This Service Pack to a Stand-Alone Installation
• Apply This Service Pack Through a Local Network
• Apply This Service Pack to a New Network Administrative Image
• Uninstall This Service Pack

Follow these instructions to install this Service Pack on a single computer.

1. Download this Service Pack and save it to any folder.
2. If required, insert the product media (for example, the AutoCAD Mechanical installation disc).
3. Find the folder where you saved the Service Pack and double-click the executable (EXE) file.

Return to Top

Follow these instructions to install this Service Pack on multiple computers using your local network.

1. Download this Service Pack and save it to any shared folder on your local network.
2. Find the shared folder where you saved the Service Pack, and double-click the executable (EXE) file.

Note: Installation through your local network using the CAD Manager Control Utility is not supported for this Service Pack.

Return to Top

The following distribution method applies only to administrative images created with the Deployment wizard.

1. Navigate to the folder where the deployment is saved.
2. Open the Tools folder under the Deployment folder, and launch the “Create & modify a deployment” setup.
3. Follow the Install Deployment wizard with default settings, and click Create. Then click the Add Updates button.
4. In the Autodesk AppModeDeployment Updates dialog box, click UPDATES, and then the Add button to the Service Pack 1 that you want to add. Make sure the Status has changed to “Included” and the Add button becomes Remove. Then Close the dialog box.

Note: When the AutoCAD Mechanical Service Pack is included in a deployment, the deployment will install the Service Pack.

Return to Top

Windows 7 / Windows 8.1 / Windows 10

1. Click Start and then Control Panel.
2. Click Programs.
3. Click Programs and Features.
4. In the Programs and Features window, in the left pane, click View Installed Updates.
5. Find the appropriate Service Pack in the list of updates. Click Uninstall.

Return to Top

We want to express our appreciation to all our customers who identified these issues and reported them to us. Their reports gave us the opportunity to improve the product for everyone's benefit. We also thank you for your continued business, and for your feedback regarding this release.

Respectfully,