Network Management
UDT 3.3.1 not updating layer 2 data
Not seeing MAC addresses are not shown in UDT. Connections are not being updated. Old data is present in UDT The Layer2PollingPlan.logLayer2PollingPlan.logLayer2PollingPlan.log file includes the following error message: Network access for Distributed Transaction Manager (MSDTC) has been disabled. Please enable DTC for network access in the security configuration for MSDTC using the Component Services Administrative tool.
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Overview
UDT is not updating current layer 2 connection information.
- Layer 2 data may be missing (the MAC address is not seen on the port)
- Layer 2 data may be outdated (the MAC address might appear on a port that it is no longer connected to)
The following log file includes the error message below:
C:\ProgramData\SolarWinds\Collector\Logs\Plugins\SolarWinds.UDT.Layer2PollingPlan.log
ERROR SolarWinds.UDT.Services.ResultProcessingServices.Layer2ResultProcessorService - Reseting static connection. Exception at updateNodeData-layer2, Exception: System.Transactions.TransactionManagerCommunicationException: Network access for Distributed Transaction Manager (MSDTC) has been disabled. Please enable DTC for network access in the security configuration for MSDTC using the Component Services Administrative tool. ---> System.Runtime.InteropServices.COMException: The transaction manager has disabled its support for remote/network transactions. (Exception from HRESULT: 0x8004D024)
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Cause
UDT is unable to open a new connection to write to the database.