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Agent for SharePoint Guide › Troubleshooting the SiteMinder Agent for SharePoint › Error freeing profile buffer message in trace logs when using Windows Impersonation

Error freeing profile buffer message in trace logs when using Windows Impersonation

Symptom:

I configured Windows Impersonation for my Agent for SharePoint, but it is not working. The following message appears in the Agent for SharePoint trace log file:

Error freeing profile buffer. Error is Attempt to access invalid address.

Solution:

To use Windows Impersonation across multiple domains (such as in an Active Directory forest with two-way trust among the domains), the application pool identity used for Windows impersonation requires a domain account.