CRM2011/2016 – Timeout problem when open Sharepoint documents from CRM

Today I had a big problem with our new customer: When they tried to open a document from CRM, they had an error:


After check a little bit, I found a timeout error on sharepoint.  The problem was the Cookie life time configuration:

[..]When using FBA or a trusted provider, SharePoint will set a cookie on the client called FedAuth. I’ll not go into the details of what’s inside the FedAuth cookie. Of course, the FedAuth cookie will have by default a certain lifetime. Session cookies can be configured too making the cookie invalid after the closing the browser and then bypassing the value in this settings.

The default value is 5 days.[..] (Microsoft text)


To resolve the problem I found this script:

$sts = Get-SPSecurityTokenServiceConfig
$sts.CookieLifetime = New-TimeSpan -Hours 7

At the end I restart IIS and all is run in right way.



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