Unable to access CIFS via DNS Alias due to misconfigured SPN
Applies to
- ONTAP 9
- CIFS
Issue
- Clients are unable to access CIFS server using a DNS Alias.
- File Explorer navigates to \\DNS_Alias\share_name and get a pop up that says
Network Error Windows cannot access \\DNS_Alias\share_name Check the spelling of the name. Otherwise, there might be a problem with your network. To try to identify and resolve network problems, click Diagnose. Error code: 0x800004005 Unspecified error
- Event logs are showing the error
KRB5KRB_AP_ERR_BAD_INTEGRITY
- Packet trace shows the client receiving the error
KRB5KRB_AP_ERR_MODIFIED
orKRB_AP_ERR_MODIFIED
from ONTAP in response toSession Setup Request