Environment
- Carbon Black Cloud Window Sensor: All Supported Versions
- Windows Server 2012 R2
- Local Scan and Signature Updates enabled
- Teredo tunneling enabled
Symptoms
Signature Updates can fail when Teredo tunneling is enabled
Cause
The Signature update process may timeout while switching from IPv6 to IPv4
Resolution
Disable Terredo and IPv6 technologies where possible.
Additional Notes
- From an Administrator Command Prompt
- netsh int teredo set state disabled
- netsh int ipv6 6to4 set state disabled
- netsh int ipv6 isatap set state disabled
- Alternatively, disable via GPO
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