title: TeamCity build agent disconnected
body: <p>I installed a build agent on Windows 7 and always have the agent show up as "disconnected". The log teamcity-agent.txt shows below information</p>
  
  <pre><code> If this is the first time this agent registered on the server make sure it is     authorized by administrator in the server web UI. 
  [2012-09-05 02:56:14,416]   INFO -    jetbrains.buildServer.AGENT - Agent registration finished. 
  [2012-09-05 02:56:14,418]   INFO -    jetbrains.buildServer.AGENT - Stop command was not performed. No build to stop with reason: BuildInterruptReason.AGENT_SHUTDOWN 
  [2012-09-05 02:56:14,418]   INFO -    jetbrains.buildServer.AGENT - Starting agent shutdown sequence, reason: Restart agent, failed to download upgrade from server 
  [2012-09-05 02:56:14,424]   INFO -    jetbrains.buildServer.AGENT - Host configuration for downloading updates: HostConfiguration[host=http://myteamcity:8080] 
  [2012-09-05 02:56:14,424]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/teamcity-agent.xml ==&gt; C:\BuildAgent\temp\iQ0fjie6zR125neulJeqiYauT8zQ5zOI 
  [2012-09-05 02:56:15,070]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/agentSystemInfo.zip ==&gt; C:\BuildAgent\update\plugins\agentSystemInfo.zip 
  [2012-09-05 02:56:15,747]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/amazonEC2.zip ==&gt; C:\BuildAgent\update\plugins\amazonEC2.zip 
  [2012-09-05 02:56:16,617]   INFO - agent.impl.AgentPortFileWriter - Delete agent runtime file from C:\BuildAgent\logs\buildAgent.port 
  [2012-09-05 02:56:16,619]   INFO -    jetbrains.buildServer.AGENT - Unregistering from build server: 18 
  [2012-09-05 02:56:16,800]   INFO -    jetbrains.buildServer.AGENT - Shutdown agent WebServer start 
  [2012-09-05 02:56:16,801]   INFO -    jetbrains.buildServer.AGENT - Shutdown agent WebServer finish 
  [2012-09-05 02:56:16,801]   INFO -    jetbrains.buildServer.AGENT - Shutdown agent finish 
  [2012-09-05 02:56:16,968]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/ant.zip ==&gt; C:\BuildAgent\update\plugins\ant.zip 
  [2012-09-05 02:56:50,086]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/antPlugin.zip ==&gt; C:\BuildAgent\update\plugins\antPlugin.zip 
  [2012-09-05 02:56:52,070]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/assembly-info-patcher.zip ==&gt; C:\BuildAgent\update\plugins\assembly-info-patcher.zip 
  [2012-09-05 02:56:53,464]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/clearcase-agent.zip ==&gt; C:\BuildAgent\update\plugins\clearcase-agent.zip 
  [2012-09-05 02:56:55,375]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/cmake-runner.zip ==&gt; C:\BuildAgent\update\plugins\cmake-runner.zip 
  [2012-09-05 02:56:57,190]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/commandLineRunner.jar ==&gt; C:\BuildAgent\update\plugins\commandLineRunner.jar 
  [2012-09-05 02:56:58,218]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/coveragePlugin.zip ==&gt; C:\BuildAgent\update\plugins\coveragePlugin.zip 
  [2012-09-05 02:57:11,629]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/crashDetector.zip ==&gt; C:\BuildAgent\update\plugins\crashDetector.zip 
  [2012-09-05 02:57:12,436]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/cvsAgent.zip ==&gt; C:\BuildAgent\update\plugins\cvsAgent.zip 
  [2012-09-05 02:57:20,720]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/dotCover.zip ==&gt; C:\BuildAgent\update\plugins\dotCover.zip 
  [2012-09-05 02:58:00,011]   INFO -    jetbrains.buildServer.AGENT - Downloading http://myteamcity:8080/update/plugins/dotNetPlugin.zip ==&gt; C:\BuildAgent\update\plugins\dotNetPlugin.zip 
  </code></pre>
  
  <p>How can I get the agent connected?</p>