:date: 2018-10-02 ======================== Tuesday, October 2, 2018 ======================== TeamViewer says "Not Ready. Please check your connection" ========================================================= .. image:: 1002a.png And indeed it seems that teamviewer.com no longer exists:: $ ping teamviewer.com ping: teamviewer.com: Name or service not known Excerpt from my :file:`TeamViewer13_Logfile.log`:: 2018/10/02 12:09:01.352 2707 140476560697088 S Activating Router carrier 2018/10/02 12:09:01.381 2707 140476569089792 S!!!CTcpConnectionBase[257]::HandleResolve(): Resolve failed, ping3.teamviewer.com, Error: asio.netdb:1 2018/10/02 12:09:01.381 2707 140476569089792 S Activating Router carrier 2018/10/02 12:09:01.397 2707 140476560697088 S!! HttpRequestImpl::CurlFinished(): curl request failed: Couldn't resolve host name (6), Could not resolve host: ping3.teamviewer.com 2018/10/02 12:09:01.397 2707 140476560697088 S!! Port443Connection::ConnectInternal: failed with HTTP status code = 0 2018/10/02 12:09:01.397 2707 140476560697088 S!! NetWatchdog: Port 443 proxy search failed! No working setting found. -- 2 previous log entries omitted -- 2018/10/02 12:09:01.397 2707 140476560697088 S Activating Router carrier 2018/10/02 12:09:01.413 2707 140476434872064 S!! HttpRequestImpl::CurlFinished(): curl request failed: Couldn't resolve host name (6), Could not resolve host: ping3.teamviewer.com 2018/10/02 12:09:01.414 2707 140476569089792 S!! NetWatchdog: Port 80 proxy search failed! No working setting found. 2018/10/02 12:09:01.414 2707 140476569089792 S! CKeepAliveClientClient::HandlePing(): ping failed 2018/10/02 12:09:01.414 2707 140476569089792 S Activating Router carrier 2018/10/02 12:09:01.414 2707 140476569089792 S CProcessCommandHandlerMasterConnect[260]::CreateMasterConnect(): master16.teamviewer.com:80, Connection 260, proxy='' 2018/10/02 12:09:01.543 2707 140476434872064 S!! HttpRequestImpl::CurlFinished(): curl request failed: Couldn't resolve host name (6), Could not resolve host: master16.teamviewer.com 2018/10/02 12:09:01.543 2707 140476527126272 S! CProcessCommandHandlerMasterConnect[260]::HandleMasterConnect(): MasterConnect to 0.0.0.0 failed 2018/10/02 12:09:01.549 2707 140476527126272 S!! LookUpDNS failed for master16.teamviewer.com, socket error = -2 2018/10/02 12:09:01.549 2707 140476527126272 S!!!Connect to Master master16.teamviewer.com / failed! 2018/10/02 12:09:01.549 2707 140476527126272 S!! CMasterConnectorAsio::HandleMasterResponseLogin(): MasterConnect failed. ErrorCode=10 My problem is that neither Johanna in Eupen nor Hamza in Douz have the same problem. So I guess it is a DNS issue. Some DNS server between me and the teamviewer.com server giving some wrong information. And indeed, after half an hour the problem vanished by itself.