(Windows) Why nmap not works / IPAM Subnet scan not completed

(Windows) Why nmap not works / IPAM Subnet scan not completed

Take Screenshots/Output for all the below commands for troubleshooting in case of failure

​Scenario 1:

Older version of third party packages(From other network products/Snipper tools) was installed. For ex:- winpcap(Windows packet capture).

            While installation, third party files where not installed due to permissions since we are trying to install in silent mode.
Resolution: https://deskportal.zoho.com/portal/manageengine/kb/articles/windows-machine-ipam-showing-incorrect-ip-status-or-not-showing-partially-showing-the-ipaddresses-in-subnets
Scenario 3:

Nmap hangs in services.msc not able to kill the task. This case is occurs due to customer machine already had customized Nmap from other monitoring products.


Cross check with this solution first: https://deskportal.zoho.com/portal/manageengine/kb/articles/windows-machine-ipam-showing-incorrect-ip-status-or-not-showing-partially-showing-the-ipaddresses-in-subnets

Copy the Nmap path (Path for ex:- F:\Installation\OpManager\Nmap;) and set in environment variables, Restart the machine to kill all existing process in task manager.​

Check the reported issue.

If All the above scenario's not helps then, follow the steps below.
  1. Go to <Installation_Folder>/Nmap/
  2. IMPORTANT :: Remove all files and folders except Xml folder
  3. Download the nmap 7.12.exe from below link.
  4. IMPORTANT :: Install it under <Installation_Folder>/Nmap/ directory.
  5. Restart the server machine
  6. Clear the logs folder
Now check for the reported issue by scanning the subnets. If the issue continues, please follow the below KB and get back to us along with screenshots, outputs & logs

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