windows_exporter: Error on Exchange Server

Hi,

i have update the exporter to 0.8. Now we become this error:

An error has occurred during metrics gathering:

error collecting metric Desc{fqName: "wmi_exporter_collector_success", help: "wmi_exporter: Whether the collector was successful.", constLabels: {}, variableLabels: [collector]}: failed to prepare scrape: ReqQueryValueEx failed: Die angeforderte Ressource wird bereits verwendet. errno 170

Enabled collectors: net, os, service, system, textfile, cpu, cs, logical_disk