If you have enabled below Group policy at domain level to block all IE Add-ons,
Deny all add-ons unless specifically allowed in the Add-on List
you will no longer be able to access CRM, you will get any of the below errors,
1. Unsupported security settings.
Microsoft Dynamics CRM required that ActiveX controls be enabled. your current security settings prevent this.
Enable ActiveX controls and try again.
2. you will only see a part of the CRM website.
Here we need to understand the ActiveX controls / components we use in CRM to add it in the Add-on list of the Group policy to make CRM work again.
Below is the resolution to this issue.
Ask your Network Administrator to add the following GUID's / CLSID's to the Add-on list
XML DOM Document
As an administrator you can use Group Policy Management Editor to change the policy settings.
Now you can access CRM.
Note: Above solution is applicable for CRM Vanilla / OOB installation. If you have customized your CRM to use any other control / component you need to add the GUID to the Group policy Add-on list.
Further, below KB article discusses about the components and the related GUID's which you need to add to the Add-on list when you face similar issue with OWA
Dynamics CRM Support Team
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