Pi Web API is configured correctly. Crawling is working fine. All the Data servers and Asset servers are connected. What else can be the problem here?
Could you please check delegation permission for the service account? SPN's has to be set up if you are using service account in PI Vision application pools to delegate access.
Powershell : Get-AdUser SERVICEACCOUNT -Properties msDS-AllowedToDelegateTo,ServicePrincipalNames
in the output, please check below parameters.
msDS-AllowedToDelegateTo should contain PI Server and AF SPN's setup.
ServicePrincipalNames should contain HTTP class SPN's setup
Procedure to verify in Domain: PI Vision - Delegation
Retrieving data ...