Symptoms

When you click Track in CRM or Set Regarding on an email with an attachment, Microsoft Outlook crashes. 

Additionally, in the Application Event log, you may find one or more of the following crash signatures with event ID 1000:

Application name

Application version

Module name

Module version

Offset

Outlook 2010

Outlook.exe

14.0.7165.5000

exsec32.dll

14.0.7159.5000

0x00007D06

Outlook.exe

14.0.7160.5000

exsec32.dll

14.0.7159.5000

0x00000000000023C5

Outlook.exe

14.0.6109.5005

exsec32.dll

14.0.6019.1000

0x00007C50

Outlook 2013

Outlook.exe

15.0.4763.1000

exsec32.dll

15.0.4759.1000

0x000076BD

Outlook.exe

15.0.4551.1004

exsec32.dll

15.0.4551.1001

0x000076a7

Outlook 2016

Outlook.exe

16.0.6366.2036

exsec32.dll

16.0.6366.1439

0x00003F99

Outlook.exe

16.0.4266.1001

exsec32.dll

16.0.4266.1001

0x00003F82

Outlook.exe

16.0.4266.1001

exsec32.dll

16.0.4266.1001

0x000000000000251F



Cause

This issue may occur if Outlook is not configured to use Cached Exchange Mode. Microsoft Dynamics CRM for Outlook is only supported when using Cached Exchange Mode.


Resolution

To fix this issue, follow the steps for your Office version and installation type. See the "More Information" section to determine whether your Office installation is Click-to-Run or MSI-based.


Office 2016:

Click-to-Run-based Installations:

To fix this issue, make sure that your Office 2016 Click-to-Run installation is at version 16.0.6629.1000 or a later version. If it is not at this version or a later version, update your Office 2013 installation. To do this, follow these steps. 

  1. Open any Office application, such as Outlook or Word.

  2. Click File, and then click Office Account or Account.

  3. View the Version that is listed under Office Updates.

  4. If the version is not at 16.0.6629.1000 or a later version, click Update Options, and then click Update Now.

    Note If you had previously disabled updates, click Enable updates after you click Update Options, and then click Update Now.


For more information about update channels for Office 365 clients, see the following article: Version numbers of update channels for Office 365 clients.


MSI-based Installations:

To fix this issue, install the February 7, 2017, update for Outlook 2016. For information about this update, click the following article number to view the article in the Microsoft Knowledge Base:

February 7, 2017, update for Outlook 2016 (KB3141511)

Office 2013:

Click-to-Run based Installations:

To fix this issue, make sure that your Office 2013 Click-to-Run installation is at version 15.0.4833.1001 or a later version. If it is not at this version or a later version, update your Office 2013 installation. To do this, follow these steps. 

  1. Open any Office application, such as Outlook or Word.

  2. Click File, and then click Office Account or Account.

  3. View the Version that is listed under Office Updates.

  4. If the version is not at 15.0.4833.1001 or a later version, click Update Options, and then click Update Now.

    Note If you had previously disabled updates, click Enable updates after you click Update Options, and then click Update Now.


For more information about Click-to-Run for Office 2013, see the following article: Update Office 2013 or Office 365


MSI-based Installations:

To fix this issue, install the June 7, 2016, update for Outlook 2013. For information about this update, click the following article number to view the article in the Microsoft Knowledge Base:

3115158 June 7, 2016, update for Outlook 2013 (KB3115158)


Workaround

If you can't install the update that's mentioned in the "Resolution" section to fix this issue, you can work around the issue by using one of the following options:

Option 1 - Enable Cached Exchange Mode
Use the steps in the following articles to enable Cached Exchange Mode in Outlook:

Turn on or off Cached Exchange Mode 


Option 2 - Enable Server-Side Synchronization
Switch the Mailbox record in Microsoft Dynamics CRM for your user to "Server-Side Synchronization or Email Router" instead of "Microsoft Dynamics CRM for Outlook". You can refer to the following article for additional details about how to configure Server-Side Synchronization.

Set up server-side synchronization of email, appointments, contacts, and tasks



More Information

To determine whether your Office installation is Click-to-Run or MSI-based, follow these steps:

  1. Open an Office application, such as Outlook or Word.

  2. On the File menu, select Account or Office Account.

  3. For Office Click-to-Run installations, an Update Options item is displayed. For MSI-based installations, the Update Options item isn't displayed.

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