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When running collections with PowerShell on machines discovered through the IP address list discovery method, connections can sometimes fail leaving the following message in the log:
Exception: System.Management.Automation.Remoting.PSRemotingTransportException: Connecting to remote server failed with the following error message : The WinRM client cannot process the request. Default authentication may be used with an IP address under the following conditions: the transport is HTTPS or the destination is in the TrustedHosts list, and explicit credentials are provided. Use winrm.cmd to configure TrustedHosts. Note that computers in the TrustedHosts list might not be authenticated. For more information on how to set TrustedHosts run the following command: winrm help config. For more information, see the about_Remote_Troubleshooting Help topic.
To make the assessments work, add the machine names (or IP addresses) to the local machine’s TrustedHosts. You can read about how to do this in the PowerShell docs (see “How to Add a Computer to the Trusted Hosts List”).
If WinHTTP Proxy is configured, the PowerShell collector can fail with the following error:
The WinRM client received an HTTP status code of 502 from the remote WS-Management service. For more information, see the about_Remote_troubleshooting Help topic.
To correct this issue, run the following command from an elevated command prompt: netsh winhttp reset proxy
The desktop virtualization planning report can occasionally show "No data" even though MAP has sufficient information to generate the report. This issue occurs when the host CPU selected is less powerful than the strongest CPU in the desktop workload model. To correct this issue, adjust the CPU in available desktop workload models.
In order to properly discover the virtualization technology used for Hyper-V hosts, MAP queries the Hyper-V Virtual Machine Manager service (vmms.exe). If this service is disabled, reports referencing the virtualization technology will read "Unknown" for machines managed by the service.
To correct the issue, you will need to start the Hyper-V Virtual Machine Manager service on affected hosts.
In order to properly discover phones when using the Lync Usage Tracking Scenario, the phones must have a minimum firmware version of Lync 2010 or higher. Firmware predating Lync 2010 does not have the capability to be discovered by the MAP Toolkit.