Increasing the CRM 4.0 Attachment Size Limit

by Bill Owens 17. July 2008 18:05
by Jeremy Hofmann 06.05.08
The default attachment file size limit in Microsoft Dynamic CRM 4.0 is 5 MB.  There is good reason for this - as a general rule you should be placing some restrictions on the amount of file data that can enter CRM so that the database can maintain a reasonable size and so that performance is optimized. However, your business may find the need to increase this size a little in order to handle larger file attachments.  Here are the instructions to increase the file size limit to 10 MB.  You can go larger than this, but pay close attention to the table size and performance over time as you want to keep CRM running as well as possible. Note - even though the System Settings option looks like this it would apply to email attachments only, it does apply to "notes" type attachments as well.  Finally, this procedure to change the max attachment size is not an officially published recommendation, so use this at your own risk. How to increase the max attachment size in CRM 4.0:

 

1.           Open the application web.config (C:\Inetpub\CRM\web.config).

 

2.           Locate the <httpRuntime> key within the <system.web> element and change the values to the following:

<httpRuntime executionTimeout="9999" maxRequestLength="10240"/>

3.           Locate the <httpRuntime> key within the <system.web> element of the <location path='MSCRMServices"> element, and change it to the following:

<httpRuntime maxRequestLength="10240"/>

4.           Save and close the web.config.

 

5.           Open the CRM web application (http://crm).

 

6.           Navigate to Settings | Administration | System Settings.

 

7.           Click the E-mail tab.

 

8.           Change the maximum file size (in kilobytes) field to 10240.

 

9.           Click Ok to save the changes.

 

10.        Perform IISReset. 

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CRM 4.0

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I work for a consulting firm in Dublin Ohio called Affiliated Resource Group. For the last five years I have been spearheading our Microsoft Dynamics CRM practice. I have a deep appreciation for the Microsoft CRM platform and I am very excited about it. You might even describe me as a Microsoft CRM Advocate. I have many battle scars from my experience with the product and I’m constantly being asked questions about CRM and how-to-do something in it. Hence, this BLOG is to help disseminate that knowledge and information to everyone. As of last year I was posting links to many other blogs to help spread the knowledge, but now with the community.dynamics.com doing that for me, I will be following that practice unless a really juicy article catches my eye. Many people have asked where my post are for the first half of 2010, my company had me posting to another blog and maintain two was near impossible. I am now down to just this blog. So good luck and I hope that this blog may help in some way. If you have suggestions or questions, please email me them.

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The opinions expressed herein are my own personal opinions and do not represent my employer's view in anyway.

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