We have an master Jenkins with multiple slave instances. If the master is restarted, and one of the slaves executes a job, which has to download source from TFS, it throws an excetion (see below). The workaround is, that we have to restart all slave instances to be able to build again.

Querying for remote changeset at '....' as of 'D2016-11-09T07:46:28Z'...
FATAL: com.microsoft.tfs.core.exceptions.TECoreException: Connection refused: connect
java.lang.RuntimeException: com.microsoft.tfs.core.exceptions.TECoreException: Connection refused: connect
at hudson.plugins.tfs.model.Server.execute(Server.java:226)
at hudson.plugins.tfs.model.Project.extractChangesetNumber(Project.java:272)
at hudson.plugins.tfs.model.Project.getRemoteChangesetVersion(Project.java:268)
at hudson.plugins.tfs.model.Project.getRemoteChangesetVersion(Project.java:284)
at hudson.plugins.tfs.TeamFoundationServerScm.recordWorkspaceChangesetVersion(TeamFoundationServerScm.java:359)
at hudson.plugins.tfs.TeamFoundationServerScm.checkout(TeamFoundationServerScm.java:308)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1269)
at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:607)
at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:529)
at hudson.model.Run.execute(Run.java:1738)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:410)
Caused by: com.microsoft.tfs.core.exceptions.TECoreException: Connection refused: connect
at com.microsoft.tfs.core.exceptions.mappers.TECoreExceptionMapper.map(TECoreExceptionMapper.java:92)
at com.microsoft.tfs.core.exceptions.mappers.VersionControlExceptionMapper.map(VersionControlExceptionMapper.java:43)
at com.microsoft.tfs.core.clients.versioncontrol.internal.WebServiceLayer.queryHistory(WebServiceLayer.java:1589)
at com.microsoft.tfs.core.clients.versioncontrol.internal.WebServiceLayerLocalWorkspaces.queryHistory(WebServiceLayerLocalWorkspaces.java:1254)
at com.microsoft.tfs.core.clients.versioncontrol.VersionControlClient.queryHistory(VersionControlClient.java:4264)
at hudson.plugins.tfs.model.MockableVersionControlClient.queryHistory(MockableVersionControlClient.java:254)
at hudson.plugins.tfs.commands.RemoteChangesetVersionCommand.call(RemoteChangesetVersionCommand.java:65)
at hudson.plugins.tfs.commands.RemoteChangesetVersionCommand.call(RemoteChangesetVersionCommand.java:33)
at hudson.remoting.UserRequest.perform(UserRequest.java:120)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:326)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at hudson.remoting.Engine$1$1.run(Engine.java:62)
at java.lang.Thread.run(Thread.java:745)
at ......remote call to isb2jenkins01(Native Method)
at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1416)
at hudson.remoting.UserResponse.retrieve(UserRequest.java:220)
at hudson.remoting.Channel.call(Channel.java:781)
at hudson.plugins.tfs.model.Server.execute(Server.java:222)
... 13 more
Caused by: com.microsoft.tfs.core.ws.runtime.exceptions.TransportException: Connection refused: connect
at com.microsoft.tfs.core.ws.runtime.client.SOAPService.executeSOAPRequestInternal(SOAPService.java:674)
at com.microsoft.tfs.core.ws.runtime.client.SOAPService.executeSOAPRequest(SOAPService.java:444)
at ms.tfs.versioncontrol.clientservices._03._RepositorySoap12Service.queryHistory(_RepositorySoap12Service.java:1503)
at com.microsoft.tfs.core.clients.versioncontrol.internal.WebServiceLayer.queryHistory(WebServiceLayer.java:1573)
at com.microsoft.tfs.core.clients.versioncontrol.internal.WebServiceLayerLocalWorkspaces.queryHistory(WebServiceLayerLocalWorkspaces.java:1254)
at com.microsoft.tfs.core.clients.versioncontrol.VersionControlClient.queryHistory(VersionControlClient.java:4264)
at hudson.plugins.tfs.model.MockableVersionControlClient.queryHistory(MockableVersionControlClient.java:254)
at hudson.plugins.tfs.commands.RemoteChangesetVersionCommand.call(RemoteChangesetVersionCommand.java:65)
at hudson.plugins.tfs.commands.RemoteChangesetVersionCommand.call(RemoteChangesetVersionCommand.java:33)
at hudson.remoting.UserRequest.perform(UserRequest.java:120)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:326)
at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at hudson.remoting.Engine$1$1.run(Engine.java:62)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at com.microsoft.tfs.core.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:138)
at com.microsoft.tfs.core.httpclient.HttpConnection.open(HttpConnection.java:813)
at com.microsoft.tfs.core.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1463)
at com.microsoft.tfs.core.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:418)
at com.microsoft.tfs.core.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:182)
at com.microsoft.tfs.core.httpclient.HttpClient.executeMethod(HttpClient.java:428)
at com.microsoft.tfs.core.httpclient.HttpClient.executeMethod(HttpClient.java:343)
at com.microsoft.tfs.core.ws.runtime.client.SOAPService.executeSOAPRequestInternal(SOAPService.java:545)
... 17 more