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I downloaded Bitcoin-QT for Windows 7 into:

MYUSERNAME/Downloads/bitcoin-0.8.6-win32/bitcoin-0.8.6-win32

I want to run Bitcoin in testnet mode, so I created bitcoin.conf with only the following content:

testnet=1

I put copies of bitcoin.conf into the following folders:

MYUSERNAME/Downloads/bitcoin-0.8.6-win32/bitcoin-0.8.6-win32
User/MYUSERNAME/AppData/Roaming/Bitcoin

When I double clicked on the Bitcoin-QT icon to execute the following, Bitcoin-QT starts up but it does not appear to be in testnet mode.

MYUSERNAME/Downloads/bitcoin-0.8.6-win32/bitcoin-0.8.6-win32/bitcoin-qt.exe

Can anyone tell me why it does not seem to go into testnet mode?

I went to Start > cmd to get the DOS prompt. I entered the following and it worked:

C:\User\MYUSERNAME\Downloads\bitcoin-0.8.-win32\bitcoin-0.8.6-win32>bitcoin-qt.exe -testnet

Bitcoin-QT launches in testnet mode. However, it is not synchronizing with the network. At the bottom, it shows "No block source available...155 weeks behind".

I tried adding the following to bitcoin.conf and restarted bitcoin-qt.exe -testnet but it didn't make any difference.

addnode=1.2.3.4
checklevel=2

After a few hours, it still shows "No block source available...155 weeks behind". How do I get this to synchronize?

  • It can take more than hour to synchronize. Does "X weeks behind" change? – John T Jan 26 '14 at 3:53
  • It has been a few hours now and it still shows "No block source available...155 weeks behind". – JLP Jan 26 '14 at 17:18
  • For your first question, I would suspect that you haven't put your bitcoin.conf in the place where the Bitcoin client is looking for it. The correct folder should already contain files named like debug.log, peers.dat, and several others. – Nate Eldredge Jan 26 '14 at 19:03
  • @NateEldredge I have bitcoin.conf in the User/MYUSERNAME/AppData/Roaming/Bitcoin folder. This folder has the peers.dat, wallet.dat, db and debug files as well. There is no debug.log file. Do you have any ideas on why it is showing "No block source available"? – JLP Jan 27 '14 at 4:21
  • Typically this means it is not able to connect to any peers on the Internet. One possible cause is bad proxy settings, which is why I wondered if it was using a bitcoin.conf different from yours. Otherwise, could there be firewall settings or something similar preventing the application from communicating with the Internet? – Nate Eldredge Jan 27 '14 at 5:05

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