Error: Account Does Not Have Permission to Impersonate Requested User

Issue

The Riva logs may contain one or both of the following errors:

Cause

These errors occur when the Exchange connection user does not have impersonation permissions or delegate access for the syncing user.

Solution

Provide impersonation rights on Office 365, Exchange on-premises Server, and/or Hosted Exchange Services.

For Exchange online (Office 365):

• Prepare Office 365 Exchange permissions for the Riva connection.

For Exchange on-premises:

• Prepare the Exchange on-premises connection account for Riva.

For Hosted Exchange Services:

• Rackspace.
• IT Solutions Now.
• AppRiver.
• Intermedia.

Applies to

• Riva Cloud.
• Riva On-Premise.