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    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/AV_Connector_AVSHIM_fails_to_register_the_Virus_Scan_Engine_with_the_error__Registration_failure__ScanType_SCANTYPE_rpc_cluster
      Running the following command displays status of vscanner is 'connected'; however, the vscan vendor displays the status as 'vendor not registered'. However, there is an issue with the virus scan engin...Running the following command displays status of vscanner is 'connected'; however, the vscan vendor displays the status as 'vendor not registered'. However, there is an issue with the virus scan engine registering to the AV Connector. McAfee scan vendor logs may display a failure to connect to the loop back address 127.0.0.1 (ONTAP AV Connector) as follows:
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/ONTAP_AV_connector_1.0.5_disconnects_when_configured_with_data_LIFs
      Applies to ONTAP 9.6 and later ONTAP AV connector 1.0.5 Issue After some time the AV Connector disconnects from ONTAP A restart of the AV Connector service is the only way to restore the connection
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/How_to_enable_ONTAP_Antivirus_Connector_Logging
      How to enable ONTAP Antivirus Connector Logging. How to collect avshim logs or how to capture AV connector logs
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Domain_user_unable_to_authenticate_to_cluster_using_Domain-Tunnel
      Applies to ONTAP 9 AV Connector Domain Tunnel Issue A Domain user is defined on the AV Connector and NTLMv2 Authentication is disallowed. Note: Anything using the domain-tunnel for CIFS authentication...Applies to ONTAP 9 AV Connector Domain Tunnel Issue A Domain user is defined on the AV Connector and NTLMv2 Authentication is disallowed. Note: Anything using the domain-tunnel for CIFS authentication is impacted
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/What_are_the_options_available_as_Antivirus_Connector_Command_Line_Switches
      Setting the /IpAddrToDns to true will enable reverse DNS lookups from the AV Connector (default behavior) Note: The same transport and port settings can be used when utilizing the AV Connector GUI for...Setting the /IpAddrToDns to true will enable reverse DNS lookups from the AV Connector (default behavior) Note: The same transport and port settings can be used when utilizing the AV Connector GUI for testing of ZAPI calls to the SVM. Once mregfa application (“Configure ONTAP Management LIFs”) is run with this option, it goes through the list of mgmt entries and changes the passwords for the entries whose user-name matches the supplied user-name.
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Successful_connection_between_ONTAP_AV_connector_1.0.5_and_Symantec_Protection_Engine_while_AV_connector_logs_shows_multiple_errors
      Applies to ONTAP 9 VSCAN ONTAP Antivirus Connector 1.0.5 Symantec Protection Engine 8.2.1.6 Issue Successful connection between ONTAP AV connector 1.0.5 and Symantec Protection Engine 8.2.1.6 Error in...Applies to ONTAP 9 VSCAN ONTAP Antivirus Connector 1.0.5 Symantec Protection Engine 8.2.1.6 Issue Successful connection between ONTAP AV connector 1.0.5 and Symantec Protection Engine 8.2.1.6 Error in the AVSHIM logs: 11/11/21-07:19:35.545Z [Pipe: <IP>, ][r] CreateNamedPipe failed with 1. closingQ: [0] 11/11/21-07:19:35.561Z [Pipe: <IP>] lastStatsSkipTime timeout. Closing pipe... 11/11/21-07:19:35.592Z Unable to parse IPv4 address <IP>
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/What_is_the_recommended_value_for_ONTAP_Vscan_offbox_timeout_settings
      session-teardown-timeout: Refers to the max wait-time for a response for a session-teardown-message, or for any message to be received for a session-id, after the underlying connection has been discon...session-teardown-timeout: Refers to the max wait-time for a response for a session-teardown-message, or for any message to be received for a session-id, after the underlying connection has been disconnected. The official NetApp recommendation is to set the scan timeout value lower than our defined Request Service Timeout, but ultimately those are based on the different vendor recommendations.
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Troubleshooting_ONTAP_Vscan_Antivirus
      This KB article describes the common issues pertaining to ONTAP Antivirus (Vscan) and the ONTAP Antivirus Connector (AVConnector).
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Vscan_server_shows_as_connected_but_vendor_not_registered_is_listed
      Vscan server shows as connected but "vendor not registered" is listed
    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/ONTAP_AV_Connector_-_Error_when_testing_connection
      Applies to ONTAP AV Connector ONTAP 9 Issue Error (401) Unauthorized reported by AV Connector when testing communication during configuration