The Probe-Central connection should be established for proper functioning of OpManager Enterprise Edition. The Probe connection to the Central server can be checked in the corresponding Probe server under Settings > Configuration > Central Details.
Common problems faced with Probe-Central connection are discussed below.
Reason #1: The Central server port contacted by the Probe server is invalid.
Reason #2: IP address of the Central server specified is wrong.
Reason #3: The Central server is not running.
Reason #1: Network has connectivity issues.
Reason #2: The Central server is overloaded with requests.
Reason #3: The connection request is blocked by Windows Firewall.
Reason #1: The connection is not established due to routing issues.
Reason #2: The network connection has been changed.
Reason #1: IP address of the given host name is not found.
Reason #2: There is a problem with address resolution.
Reason: Firewall in the Central server network is blocking the Probe server connection request.
Reason: The Central server is unable to respond due to outbound firewall rules.
Reason: Ports in the Probe server are unavailable for establishing a connection with the Central server.
Reason: There is no such available host.
These connection issues can be rectified by following the troubleshooting steps given below.
Step 1: Verify the Central server details
Check if the Central server details specified in the Probe server (under Settings > Configuration > Central Details) are valid. If not, provide the valid details.
Step 2: Verify the Probe-Central connection
Check if the connection is established between the Probe and the Central servers using ping and netstat commands. If not, fix the issue causing the connection failure.
Step 3: Check port status
Check if the port is occupied by another service/application using utility tools such as Resource Monitor for Windows and netstat command for Linux.
Step 4: Analyze data packets
Analyze data packets using a packet analyzer and check if
If not, fix the issue.
Step 5: Check firewall
Disable firewall and check if data transfer occurs (Case: when connection check passes and data transfer fails)
If the above steps do not work, please contact email@example.com, with the following details: