--- title: "Network Discovery" slug: "network-discovery-changelog" description: "See the Network Discovery release history for Windows, Linux, and macOS, including the latest OT sensor, scan target, and Cisco StackWise fixes in v4.14.6." tags: ["Lansweeper Platform", "Release notes", "Changelog"] status: "update" updated: 2026-11-03T15:26:02Z published: 2026-11-03T15:26:02Z canonical: "docs.lansweeper.com/network-discovery-changelog" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.lansweeper.com/llms.txt > Use this file to discover all available pages before exploring further. # Network Discovery [Network Discovery](/docs/network-discovery-changelog) [IT Agent](/docs/it-agent-changelog) [Lansweeper Classic](/docs/classic-changelog) ## October 8, 2026 β€” v5.0.4 ✨ **Features** - Added support for the IO-Link protocol in OT discovery, enabling the OT Sensor to discover IO-Link devices connected through IO-Link masters from IFM, Balluff, Turck, Pepperl+Fuchs, Sick, and Murrelektronik, including their manufacturer, product name, serial number, and firmware and hardware revisions. [LAN-18475] πŸ”ƒ **Changes** - SNMP scanning for Cisco Meraki devices has been corrected. [LAN-17956] πŸ› **Fixes** - Fixed an issue where discovery results incorrectly showed SNMP V1 when SNMPv3 was used. [LAN-18585] - Fixed an issue where the last user value could be missing in the asset overview even when the logged-on user was retrieved successfully during scanning. [LAN-18600] - Fixed an issue where importing data from another Hub could fail when the export contained sensors that already existed on the destination Hub. [LAN-22230] - Fixed an issue where some switches scanned via the Classic ingestion path could be incorrectly classified as routers. [LAN-22444] - Fixed an issue where Active Directory scanning was not including a computer's primary group in its AD groups list, causing domain controllers to be missing from the "Domain Controllers" group. [LAN-22676] - Fixed an issue where exporting scan actions could fail with an unexpected error when both IT and OT scan actions were present in Network Discovery. [LAN-22852] - Fixed an issue where a firewall or gateway that accepts connections on HTTP ports for IP addresses where no device exists caused HTTP server data to be reported for those addresses. [LAN-23132] ## September 24, 2026 β€” v4.14.6 πŸ”ƒ **Changes** - The OT sensor now automatically redirects Moxa and Hirschmann switches to the IT sensor for improved asset detection. [LAN-19850] πŸ› **Fixes** - Fixed an issue where the Model and Name fields for Profinet devices could display raw hex values instead of translated names. [LAN-22244] - Fixed an issue where the triggers dropdown in the Add Discovery Action screen did not show all available schedules. [LAN-22834] - Fixed an issue where adding multiple IP ranges to a local network did not work correctly. [LAN-22951] - Fixed an issue where network and broadcast addresses could be scanned and created as assets when using user-configured CIDR scan targets. [LAN-22853] - Fixed an issue where Cisco StackWise switch stacks could report different serial numbers depending on which stack member responded first, causing asset re-keying. [LAN-22868] ## September 21, 2026 β€” v4.14.5 ✨ **Features** - The traffic sensor option is now visible in the installer GUI by default. It stays disabled unless you select it. [LAN-22913] ## September 16, 2026 β€” v4.14.4 πŸ› **Fixes** - Fixed an issue where devices matching a scan target's IP range exclusion could still be scanned on automated Hub discovery paths. [LAN-18379] - Fixed an issue where SCCM scans could fail and return no assets on some SCCM builds when a WMI error occurred during software enumeration. [LAN-22119] ## September 10, 2026 β€” v4.14.3 ✨ **Features** - Added support for the IO-Link protocol in OT discovery, enabling the OT Sensor to discover IO-Link devices connected through IO-Link masters from IFM, Balluff, Turck, Pepperl+Fuchs, Sick, and Murrelektronik, including their manufacturer, product name, serial number, and firmware and hardware revisions. [LAN-18475] - Added SNMP-based device detection for SEL (Schweitzer Engineering) devices, including firmware version, part number, and serial number. [LAN-18796] - Added native Apple Silicon (arm64) support, allowing discovery and inventory scanning to run without Rosetta 2 translation overhead on Apple Silicon Macs. [LAN-19870] - Added support for discovering Bosch Rexroth devices, collecting details such as model, serial number, firmware version, MAC address, and installed modules. [LAN-19925] - Modbus scanning of Schneider Modicon PLCs now discovers the CPU serial number and the I/O modules installed in the rack, including each module's part number, slot position, and type. [LAN-20023] - Printers and multifunction devices discovered over mDNS now report their manufacturer, model, location, and capabilities. [LAN-21119] - Added a cancel action to stop a single in-progress scan target while the rest of the scan continues. [LAN-21685] - Added an option to cancel all queued scan targets for a sensor while already running targets are allowed to finish. [LAN-21685] πŸ”ƒ **Changes** - Recognition of printers versus multifunction devices over mDNS has been improved. [LAN-21119] - WMI scanning performance has been improved by reducing unnecessary memory buffering, eliminating duplicate queries, and skipping Hyper-V checks on non-Hyper-V machines. [LAN-21296] πŸ› **Fixes** - Fixed an issue where the last user value could be missing in the asset overview even when the logged-on user was retrieved successfully during scanning. [LAN-18600] - Fixed an issue where Linux scanning was not using the $PATH environment variable of the discovery credential, which could cause some commands to fail. [LAN-20203] - Fixed an issue where SSH credentials could incorrectly show as failed in the UI despite a successful scan. [LAN-20551] - Fixed an issue where NVMe drive serial numbers on Windows 11 were reported incorrectly, showing the EUI/NGUID instead of the physical serial number. [LAN-20628] - Fixed an issue where the asset name of printers discovered over mDNS could incorrectly show the device model or its physical location. [LAN-21119] - A security issue was resolved. [LAN-21300] - Fixed an issue where large scan result sets could cause a progressive degradation in Hub performance, which could result in incomplete DeepScan information appearing on the Hub and in Lansweeper Sites. [LAN-21329] - Fixed an issue where credential-less scans could assign the gateway MAC address instead of the device MAC for targets on a different subnet, causing incorrect device recognition. [LAN-21611] - Fixed an issue where Test Credentials on the Discover Now page could keep running without ever showing a result, because validation results sometimes failed to reach the Hub. Results are now shown, and a test that receives no answer within 60 seconds reports a timeout instead of waiting indefinitely. [LAN-21930] - Fixed an issue where the serial number of some OT assets could show an error message instead of the correct value. [LAN-22249] - Fixed an issue where serial numbers for some Siemens devices could contain hidden characters, causing them to display incorrectly in the UI and API. [LAN-22272] ## July 30, 2026 β€” v4.13.5 ✨ **Features** - Added support for discovering and inventorying ABB industrial robots via their HTTP API. [LAN-18795] - Added support for detecting devices that use the Open Protocol (Atlas Copco / Power Focus) for tightening controllers. [LAN-19754] - Added the ability to configure separate credentials for OT discovery actions, and to set a fallback IT action for devices not recognized as OT. [LAN-20617] - The Hub can now be renamed from the Sensors page in the Hub UI. [LAN-20708] πŸ”ƒ **Changes** - Firmware version detection for Siemens DXR2 devices has been improved when scanned through the BACnet protocol. [LAN-18609] - Protocol configuration now supports both TCP and UDP ports in a single configuration. [LAN-18618] - Device model recognition for Profinet discoveries has been improved to handle devices that report hexadecimal model names. [LAN-19813] - Model name detection for Siemens Sinumerik CNC devices has been improved. [LAN-19965] - Date and time values returned from OT protocol scans now use a consistent format. [LAN-20060] - The OT sensor no longer sends protocol requests to broadcast addresses, reducing the risk of disruptions in sensitive OT networks. [LAN-20174] - OT protocol scanning now prioritizes vendor-specific protocols before falling back to generic protocols, reducing scan load. [LAN-20458] - AI detection capabilities have been improved with updated detection checks for model files. [LAN-20328] πŸ› **Fixes** - Fixed an issue where custom ports configured for "Discover now" scans were not used during network scans. [LAN-19037] - Fixed an issue where OT device firmware history could grow indefinitely when different protocols reported conflicting firmware versions for the same device. [LAN-19861] - Fixed an issue where devices from PRONET GMBH were incorrectly identified as Profinet-compatible, causing OT scanning errors. [LAN-20504] - Fixed an issue where Profinet-discovered assets could display raw GSDML TextId tokens instead of human-readable module names. [LAN-20666] - Fixed an issue where user logons scanned with Network Discovery did not include the user's domain. [LAN-19432] - Fixed an issue where MAC address exclusions were not applied correctly during certain Hub scans. [LAN-20412] - Fixed an issue where devices with domains matching a domain exclusion pattern were still synced to cloud inventory. [LAN-20450] - Fixed an issue where the IT sensor could stop working after a network change on machines with certain network adapter configurations. [LAN-21230] ## June 30, 2026 β€” v4.12.13 πŸ”ƒ **Changes** - Network Discovery now reuses its cloud connection across check-ins instead of reconnecting each time, significantly reducing DNS lookups and connection overhead. [LAN-20907] πŸ› **Fixes** - Fixed an issue where the Discovery hub could experience high CPU usage when browsing the discovery queue or results. [LAN-20055] ## June 18, 2026 β€” v4.12.10 πŸ”ƒ **Changes** - Device model recognition for Profinet discoveries has been improved to handle devices that report hexadecimal model names. [LAN-19813] πŸ› **Fixes** - Fixed an issue where email addresses for users were not always scanned correctly. [LAN-19535] - Fixed an issue where the user domain was not scanned consistently, causing incorrect or inconsistent domain names for some users. [LAN-19539] - Fixed an issue where the Network Discovery hub service could fail to start with Error 1053 due to database access issues under high load. [LAN-19975] - Fixed an issue where the Discovery hub could experience high CPU usage when browsing the discovery queue or results. [LAN-20055] - Fixed an issue where SSH certificate credentials were not working correctly for scans. [LAN-20460] ## May 28, 2026 β€” v4.12.7 ✨ **Features** - Added support for the Niagara Fox protocol. [LAN-18946] - Added the ability to configure a custom installation name. [LAN-18494] - Added a Connectivity Check page to troubleshoot device discovery. [LAN-18442] - Added support for detecting Schweitzer Engineering (SEL) devices over Modbus. [LAN-18954] πŸ”ƒ **Changes** - Beckhoff and Siemens Industrial PCs are now identified as IT devices. [LAN-18957] πŸ› **Fixes** - Fixed an issue where Windows scans could take significantly longer than expected. [LAN-18382] - Fixed an issue where the Network Discovery installer failed because PowerShell profile output interfered with INI parsing. [LAN-18385] - Fixed an issue where Oracle Linux was detected as a generic Linux instance. [LAN-18388] - Fixed an issue where scan issues were not cleared correctly when credentials partially failed, leaving a scan issue after a partially successful scan. [LAN-18440] - Fixed an issue where antivirus state was not detected correctly on some Windows Server editions. [LAN-19220] - A security issue was resolved. [LAN-19260] - Fixed an issue where BACnet protocol scanning could fail with a stack overflow error when scanning large IP ranges. [LAN-19909] - Fixed an issue where the Discovery Queue page could remain empty during large IP-range scans. [LAN-20127] ## April 23, 2026 β€” v4.11.6 πŸ› **Fixes** - Fixed an issue where Dell warranty information was not being scanned. [LAN-18384] - Fixed an issue where scans continued to run when the sensor was disabled. [LAN-19383] - Fixed an issue where the IT sensor incorrectly sent broadcast messages for SSDP and ONVIF discovery when installed alongside an OT sensor. [LAN-19384] - Fixed an issue where device exclusions configured in discovery actions were not applied correctly. [LAN-18383] ## March 25, 2026 β€” v4.11.2 ✨ **Features** - Added AI usage tracking. [ACME-47561] - Added support for discovering module information from additional Profinet devices. [ACME-46221] - Added Moxa device support to the SNMP protocol. [ACME-46488] - Added support for Schweitzer Engineering devices to the Telnet protocol. [ACME-47257] - Added support for several Rotronic devices. [ACME-47375] - Added a new EtherCAT protocol for scanning EtherCAT slaves linked on an ADS Master. [ACME-48076] - Added support for configuring credential-based scans for OPC UA and SEL. [ACME-48113] - MAC address resolution for devices on remote subnets has been improved by using cached ARP table data from SNMP-scanned routers and switches. [ACME-50595] - Added the ability to delete devices from the device page when linked with an on-premises installation. [ACME-50335] πŸ› **Fixes** - Fixed an issue where cloud scans could run against only a single target, and on-demand scans from sites triggered only the first range instead of all configured ranges. [ACME-49080] - Fixed an issue where the Gatherlogs script was updated after signing, causing signature hash mismatches. [ACME-47892] - Fixed an issue where multiple targets could remain in a "Waiting" state for extended periods during deep scans. [ACME-49959] - Fixed an issue where SNMP credential properties could be duplicated, causing a crash. [ACME-50937] - Fixed an issue where linking information could not be removed when an installation was deleted in Lansweeper Sites and the removal message was not processed in time. [ACME-51135] - Fixed an issue where AD users, groups, and computers could have missing properties. [ACME-48654, ACME-48366] ## March 2, 2026 β€” v4.10.9 πŸ› **Fixes** - Fixed an issue where SNMPv3 credentials were not applied consistently in some use cases. [ACME-48159] ## January 15, 2026 β€” v4.10.4 ✨ **Features** - Added support for the Red Lion protocol. [ACME-22390] - Added Moxa support for the OT Telnet protocol. [ACME-28277] - Added a new OT protocol for discovering devices from the vendor Rotronic Ag. [ACME-39653] - Expanded support for additional MAC address block sizes (MA-L, MA-M, MA-S). [ACME-43522] - Discovery can now exclude machines based on their domain. [ACME-34026] πŸ”ƒ **Changes** - OT manufacturer detection is now more consistent across scans using multiple protocols. [ACME-42980] - Improved device discovery when scanning with the Moxa protocol. [ACME-43486] - Refined firmware version handling in the EtherNet/IP protocol to correctly identify MicroLogix firmware. [ACME-46446] πŸ› **Fixes** - Fixed an issue where linking and unlinking between different regions and environments was not working correctly. [ACME-45151] - Fixed an issue where the search bar did not work correctly when more than 5,000 discovery results were present. [ACME-46738] ## December 10, 2025 β€” v4.9.4 ✨ **Features** - Added support for MAC address block sizes (MA-L, MA-M, MA-S) during OT device recognition. [ACME-40732] - Added UEFI and Secure Boot detection capabilities for Windows devices. [ACME-35756] πŸ”ƒ **Changes** - SNMP-OT recognition now only uses public communities, reducing unnecessary fallback calls and device load. [ACME-37438] - Improved SNMP-based OT device mapping. [ACME-40728] - Unified Siemens device data scanned across multiple protocols. [ACME-41777] πŸ› **Fixes** - Fixed an issue where Debian packages failed to install on the latest Debian 13 distribution. [ACME-44055] - Fixed an issue where configuration changes could cancel ongoing scans. [ACME-40267] - Fixed an issue where scan exclusions set in a discovery action were not applied. [ACME-40559] ## December 4, 2025 β€” v4.8.11 ✨ **Features** - Added support for PowerShell Constrained Language Mode. [ACME-40292] πŸ”ƒ **Changes** - Improved Hub result processing to increase throughput and unblock the scanning queue. [ACME-42839] πŸ› **Fixes** - Fixed an issue where installation via PowerShell script failed because embedded scripts were not signed. [ACME-40292] - Fixed an issue where the installer incorrectly detected that linking to a site was successful. [ACME-42362] - Fixed an issue where the configured limit for concurrent scans was not respected. [ACME-42991] - Fixed an issue where deep EtherNet/IP scanning could fail when a device had already been discovered. [ACME-44885] ## September 30, 2025 β€” v4.8.6 ✨ **Features** - Added support for OT devices from the vendor Janitza when scanning using the Modbus protocol. [ACME-31543] - Introduced Telnet protocol support to the OT sensor for compatible DeltaV devices. [ACME-40138] πŸ”ƒ**Changes** - Improved passive scanning device detection for more accurate asset discovery. [ACME-37125] - Refreshed the design of the linking and linking error pages to enhance user experience. [ACME-38644] - Updated Npcap to version 1.83 for improved network capture performance and stability. [ACME-39990] πŸ› **Fixes** - Corrected device name mapping for S7-1200 and S7-1500 series devices; manufacturer names now translate correctly. [ACME-39672] - Resolved a security issue to enhance overall scanning safety. [ACME-39078] - Fixed an issue where ARP scanning during OT discovery could cause devices to appear as down. [ACME-40490] - Addressed a parsing issue where the serial number of Siemens devices was incorrectly captured when using the SNMP protocol. [ACME-40621] ## July 28, 2025 β€” v4.7.3 ✨ **Features** - Added registry key mapping to enable Network and IT Agent Discovery scanning of Windows devices for UEFI and Secure Boot capability. [ACME-35878] - DNS names can now be used for rescans in the Hub. [ACME-35187] πŸ”ƒ **Changes** - The Discovery queue UI has been reworked to show more action details, with added filtering and grouping options. [ACME-33517] πŸ› **Fixes** - The IP address of a local scan would sometimes not update correctly. [ACME-34511] - SNMP scans in Network Discovery could fail with the error β€œCould not execute a deep SNMP scan” due to missing OIDs for TotalMemory and ProcessorArchitecture. [ACME-34844] - When linking to cloud, the page could refresh, resulting in errors in the logs. [ACME-35587] - The ModuleStartIndex of a bus configuration could be displayed incorrectly in the UI due to a mapping issue. [ACME-37326] - Windows user logons were generating duplicate entries. [ACME-36189] ## June 25, 2025 β€” v4.6.3 ✨ **Features** - Users can now add LAPS as a credential type when configuring scanning through the Hub interface. [ACME-20231] - Added UEFI and Secure Boot capabilities on Windows devices. [ACME-35756] πŸ› **Fixes** - Improved scan queue processing reliability. [ACME-30810] - Improved reliability of the installation process and link-to-cloud process. [ACME-35380] ## June 2, 2025 β€” v4.5.5 πŸ› **Fixes** - Exceptions thrown by converters during Active Directory scans were not being properly handled. [ACME-34479] ## May 22, 2025 β€” v4.5.3 πŸ› **Fixes** - Exceptions thrown by converters during Active Directory scans were not being properly handled. [ACME-34479] - The auto-update could be triggered before the new files were fully downloaded. [ACME-34785] ## May 14, 2025 β€” v4.5.2 ✨ **Features** - Frictionless Cloud-First Trial install flow for Windows and macOS. [ACME-28350] - Added support for the HART-IP protocol. [ACME-31982] πŸ”ƒ **Changes** - SNMP parsing has been improved for OT devices from the vendor Fisher Rosemount. [ACME-33970] - Improved Siemens data parsing during scanning with the SNMP protocol. [ACME-32585] πŸ› **Fixes** - SNMPv3 scans were not possible with certain combinations of authentication digest and privacy protocol. [ACME-34446] - Error when executing warranty scan. [ACME-32237] - Forbidden errors when syncing data. [ACME-34510] - The MAC address β€œ00:00:00:00:00:00” was not ignored when scanning with SNMP-OT. [ACME-33197] ## April 17, 2025 β€” v4.4.2 ✨ **Features** - Added the HID VertX protocol to scan HID VertX and HID EDGE access control systems. [ACME-22618] - Added the ABB protocol. [ACME-28757] - Scan options for IT Agent Portable have been improved. [ACME-26448] - Added printers when scanning Active Directory for devices. [ACME-27739] - Extended expiration time options for linking codes. [ACME-28217] - Improved visibility of sensor issues. [ACME-29971] πŸ› **Fixes** - MAC addresses starting with 00:00:0C:07:AC were incorrectly filtered out. [ACME-27874] - Improved handling of unknown WMI errors. [ACME-32431] - Improved Moxa device detection. [ACME-32836] - AD user scans would stop and throw errors when scanning users that had a thumbnail photo. [ACME-33230] - Display all sensors in Discover Now page when having more than 15 sensors. [ACME-33350] ## March 6, 2025 β€” v4.3.5 ✨ **Features** - Added Citrix scanning functionality via Discover Now. [ACME-26773] - Start an ESXi and vCenter credentials from LS Site. [ACME-22344] πŸ”ƒ **Changes** - Expanded the status code information for controller-type devices from the vendor Rockwell in the EtherNet/IP protocol. [ACME-27931] πŸ› **Fixes** - Fixed multi-region environment parameters for the Hub. [ACME-30876] - Proxy settings were not always taken into account. [ACME-30557] - OT scan targets that were not linked to a sensor could sometimes fail to be deleted. [ACME-30174] - Reworked the validation of the linking token so the skipcloudlinking value is taken into account. [ACME-30077] - The recognition flow during an advanced OT scan was executed for every selected protocol instead of just once per IP address. [ACME-29781] ## February 10, 2025 β€” v4.2.5 πŸ› **Fixes** - Some scanning actions were not performed consistently due to the scanning configuration not being properly retrieved. [ACME-30175] - The macOS PKG installer would fail to install successfully. [ACME-30521] - Reusing an existing schedule for multiple sensors did not work correctly. [ACME-30188] ## January 28, 2025 β€” v4.2.4 ✨ **Features** - Enhanced logging and improved handling for the RSA key identifier. [ACME-28594] - Added IT devices to the data transfer for air-gapped installations. [ACME-27337] - An Active Directory domain scan will automatically start when a new sensor registers on the Hub for the first time. [ACME-26664] - Do an active CDR Scan on first run. [ACME-26658] - SCCM deepscan β€” it is now possible to add manual credentials to scan the devices that are found through the SCCM scan in Discover Now. [ACME-26492] - When users order their credentials on LS Sites, the order will be followed when executing a scan by clicking β€œScan Now.” [ACME-26204] - Added an HTML request fallback to the MOXA protocol for fetching basic information. [ACME-23604] πŸ› **Fixes** - Installer configuration files downloaded from Lansweeper Sites did not point to the stable release channel by default. [ACME-28902] - The RPM repository signature was not correctly signed, preventing warnings for customers with GPG checks enabled. [ACME-28457] - On the scan target page, sorting by sensor name without a linked sensor would crash the page. [ACME-28441] - DCP messages in the Profinet protocol were not always consumed. [ACME-27994] - Notifications from Lansweeper Sites were not properly handled and were sometimes processed out of order. [ACME-27863] - An infinite loop could occur in CDP scanning. [ACME-27849] - An error was thrown when importing an OT scan target with an invalid IP address. [ACME-27682] - A null reference error could occur when mapping Active Directory users. [ACME-27658]