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A (local) proxy is running and prevents the internal connector communication
In a network managed by an IT team, a proxy may be set. A proxy needs to have an exception added for the following:
ksc.keysign.eu
localhost
Check the configuration of your proxy server with your network administrator.
An antivirus is blocking the connector communication
An antivirus program provides features to safeguard your device against harmful software components. If you have an antivirus installed, please ensure that the connector processes are trusted.
Your
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DNS server does not resolve the domains
In a network managed by an IT team, you may have a custom DNS server set. Please check the following:
localhost
andksc.keysign.eu
should resolve to127.0.0.1
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