LanSweeper Scanner Stuck IP Scanning

 LanSweeper Scanner does not complete scanning devices in IP Scanning queue - IP addresses shown as processing not completing.


Exclude Problematic IP or Device

Try to determine the device with the IP address where the scanner is getting stuck. If unneeded, try excluding the device type or the specific IP address:

From the Scanning Tab, select Scanning Targets, then click Add Exclusion 


LanSweeper provides 4 Exclusion Types:

Asset Type, IP Address or Range, Windows Computer, and Workgroup of Domain.


Disable Unneeded Scanning Services

Configuration Tab
Click Server Options


Lower Log Data Retention

On the same page, lower the retention of any or all logs - especially Eventlog Entries



Perform LanSweeper Database Maintenance 

On the LanSweeper Scanning Server
Launch Windows Services
Stop the LanSweeper Server Service


Stop IIS Service


Run the LanSweeper Database Maintenance Tool
C:\Program Files (x86)\Lansweeper\Tools\DatabaseMaintenance.exe



Click Truncate Logs
Status will show "In Progress". Status will show "Healthy" when completed.

Click Shrink
Status will show "In Progress". Status will show "Healthy" when completed.

Click Rebuild Index
Status will show "In Progress". Status will show "Healthy" when completed.

Close the LanSweeper Database Maintenance Tool

Restart IIS Express Service



Restart LanSweeper Server Service