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Expert Events : Application
Application
DHCP
DHCP Low Lease Time: The client has been offered an IP address lease in which the lease time is at or below the threshold.
DHCP Multiple Server Response: A client requesting an IP address has had multiple DHCP servers respond to its request.
DHCP Request Rejected: A DHCP Request has been rejected by a DHCP server.
DHCP Request Storm: A high count of DHCP addresses are being requested.
DNS
DNS Slow Response Time: The average response time from the DNS server is equal to or higher than the threshold.
DNS Error: An error response from a DNS server that is usually more serious than an invalid name.
DNS Non-Existent Host or Domain: The host or domain name requested in a DNS name query cannot be found or the name for a given IP address cannot be found (reverse lookup).
HTTP
HTTP Request Not Found: Also known as “Client Error 404,” the HTTP server has nothing matching the client’s request.
HTTP Client Error: Returned from the server as a result of an invalid HTTP client request and usually more serious than an invalid URL (see “HTTP Request Not Found”).
HTTP Server Error: A client's request is usually valid, but the server has erred. Also known as “Server Error 5xx.”
HTTP Slow Response Time: The average response time from the server is equal to or higher than the threshold.
Oracle
Oracle Logon Denied: The Oracle client’s logon data was rejected by the remote server.
Oracle Slow Response Time: The average response time from the Oracle server is equal to or higher than the threshold.
Oracle TNS Connection Refused: The client’s connect request was denied by the remote server.
POP3
POP3 Login Failed: A POP3 server has rejected a client's attempt to authenticate.
POP3 Server Returned Error: A POP3 connection or request has been rejected by a POP3 server after a TCP connection has already been established.
POP3 Slow Response Time: The average response time from the server is equal to or higher than the threshold.
SMB/CIFS
SMB Logon or Access Denied: A Server Message Block (SMB) attempt to logon or share a remote resource has failed.
SMB Command Rejected: A Server Message Block (SMB) command has been rejected.
SMB Invalid Network Resource: A Server Message Block (SMB) command to connect to a network resource name has been rejected.
SMB Repeated or Looped Transaction: A SMB application or OS redirector has sent the same transaction command back-to-back within the threshold time setting.
SMB Excessive Transaction Loops: A SMB application or OS redirector has sent too many SMB Repeated or Looped Transaction commands within the threshold percentage of packets.
SMTP
SMTP Server Returned Error: A SMTP request has been rejected by an SMTP server.
SMTP Slow Response Time: The average response time from the server is equal to or higher than the threshold.
SQL
SQL Server Failed Login: The SQL Server client's login was rejected by the remote server.
SQL Server Client Error: The SQL Server has encountered errors that can be corrected by the client.
SQL Server Fatal Error: The SQL Server has encountered a non-recoverable system problem in which the program code that carries out a particular SQL statement is no longer running.
SQL Server Resource Error: The SQL Server has run out of resources.
SQL Server Slow Response Time: The average response time from the SQL Server is equal to or higher than the threshold.
FTP Slow Response Time: The average response time from the server is equal to or higher than the threshold.
Kerberos Request Rejected: A Kerberos Request has been rejected by a Kerberos server.
LDAP Slow Response Time: The average response time from the LDAP server is equal to or higher than the threshold.
NFS Retransmission: One or more packets of an NFS transaction using UDP has not reached its destination.
Windows Master Browser Election: A windows node has broadcast an election datagram to force a master browser election. The Browser protocol is used to maintain the Network Neighborhood.