Monday, July 29, 2013


Environment entities:
-Windows server 2008 R2
-SQL server 2008
-SharePoint Server 2010 with SP1
-Client: Windows 7 + IE7.0

Problem Description: In SharePoint designer 2010, whenever I use the “Start Approval Process” action on new or existing workflows and try to publish it, it’s throwing the following error.

Error Message#1: Loading this assembly would produce a different grant set from other instances. (Exception from HRESULT: 0x80131401)
Checked the SharePoint logs and found the following error:

Error Message#2: Errors were found when compiling the workflow. The workflow files were saved but cannot be run.

Right from the beginning Microsoft is playing a very important role in publishing knowledge base article which are very useful for the whole community.

As per this article, we can increase this default value to 7000 by using the following command:

$app = get-spwebapplication

$app.UserDefinedWorkflowMaximumComplexity = 7000

$app.Update ()

Again the best practices are saying we need to take every step by considering the farm performance as the maximum limit is 10000 and you cannot increase more than that so it’s better if we restructure our workflows with respect to reusability.

If you have any queries/questions regarding the above mentioned information then please let me know. If you have any additional resolution or valuable inputs which would be useful for the whole SharePoint community then please share…

Thank you.
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