Symptoms

Following error is shown in the host server logs:

"Error","IdentityService","64007","IdentityServiceError","IdentityService.ProviderCacheIdentity:RoleProvider.GetUser","64007 Provider did not return a result for UserName] on GetUser ... "

"Error","General","28083","ExtenderExecuteError","ProcessInstance.HandleException","28083 EventEscalationAction: The parameter 'addresses' cannot be an empty string.
Parameter name: addresses
InnerException: The parameter 'addresses' cannot be an empty string. ... "
 

Diagnoses

The user's name contained a slash in the AD. For example, John N/A Doe

 

Resolution

A coldfix is available for this issue for K2 version 4.6.9