i get the following error when i try to access my account on zimbra server using zimbra desktop. i had a port conflict of 443 and 80 so i changed them to 445 and 81. i can send and receive mails in browsers but zimbra desktop gives me the following error.
service.FAILURE: system failure: error while proxying request to target server: HTTP/1.1 504 Proxy Timeout ( The connection timed out. For more information about this event, see ISA Server Help. )
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com.zimbra.common.soap.SoapFaultException: system failure: error while proxying request to target server: HTTP/1.1 504 Proxy Timeout ( The connection timed out. For more information about this event, see ISA Server Help. ) ExceptionId:com.zimbra.common.service.ServiceExcep tion: system failure: error while proxying request to target server: HTTP/1.1 504 Proxy Timeout ( The connection timed out. For more information about this event, see ISA Server Help. ) ExceptionId:btpool0-13:1314084907227:1c185723a5a31eba Code:service.FAILURE at com.zimbra.common.service.ServiceException.FAILURE (ServiceException.java:248) at com.zimbra.cs.zclient.ZMailbox.invoke(ZMailbox.jav a:571) at com.zimbra.cs.zclient.ZMailbox.invoke(ZMailbox.jav a:555) at com.zimbra.cs.zclient.ZMailbox.invokeJaxb(ZMailbox .java:550) at com.zimbra.cs.zclient.ZMailbox.authByPassword(ZMai lbox.java:496) at com.zimbra.cs.zclient.ZMailbox.(ZMailbox.java:411) at com.zimbra.cs.zclient.ZMailbox.getMailbox(ZMailbox .java:348) at com.zimbra.cs.account.offline.OfflineProvisioning. newZMailbox(OfflineProvisioning.java:235) at com.zimbra.cs.account.offline.OfflineProvisioning. newZMailbox(OfflineProvisioning.java:227) at com.zimbra.cs.account.offline.OfflineProvisioning. createSyncAccount(OfflineProvisioning.java:551) at com.zimbra.cs.account.offline.OfflineProvisioning. createAccount(OfflineProvisioning.java:524) at com.zimbra.cs.service.admin.CreateAccount.handle(C reateAccount.java:64) at com.zimbra.soap.SoapEngine.dispatchRequest(SoapEng ine.java:412) at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.jav a:287) at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.jav a:158) at com.zimbra.soap.SoapServlet.doWork(SoapServlet.jav a:294) at com.zimbra.soap.SoapServlet.doPost(SoapServlet.jav a:215) at javax.servlet.http.HttpServlet.service(HttpServlet .java:725) at com.zimbra.cs.servlet.ZimbraServlet.service(Zimbra Servlet.java:208) at javax.servlet.http.HttpServlet.service(HttpServlet .java:814) at org.mortbay.jetty.servlet.ServletHolder.handle(Ser vletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(Se rvletHandler.java:390) at org.mortbay.jetty.security.SecurityHandler.handle( SecurityHandler.java:218) at org.mortbay.jetty.servlet.SessionHandler.handle(Se ssionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(Co ntextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebA ppContext.java:422) at org.mortbay.jetty.handler.ContextHandlerCollection .handle(ContextHandlerCollection.java:230) at org.mortbay.jetty.handler.HandlerCollection.handle (HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:152) at org.mortbay.jetty.handler.rewrite.RewriteHandler.h andle(RewriteHandler.java:230) at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(Htt pConnection.java:543) at org.mortbay.jetty.HttpConnection$RequestHandler.co ntent(HttpConnection.java:946) at org.mortbay.jetty.HttpParser.parseNext(HttpParser. java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpPa rser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnec tion.java:405) at org.mortbay.io.nio.SelectChannelEndPoint.run(Selec tChannelEndPoint.java:410) at org.mortbay.thread.BoundedThreadPool$PoolThread.ru n(BoundedThreadPool.java:451) Caused by: com.zimbra.common.service.ServiceException: error while proxying request to target server: HTTP/1.1 504 Proxy Timeout ( The connection timed out. For more information about this event, see ISA Server Help. ) ExceptionId:btpool0-13:1314084907227:1c185723a5a31eba Code:service.PROXY_ERROR Arg
url, STR, "https://mail.zimbra.com/service/soap/AuthRequest") at com.zimbra.common.service.ServiceException.PROXY_E RROR(ServiceException.java:313) at com.zimbra.common.soap.SoapHttpTransport.invoke(So apHttpTransport.java:247) at com.zimbra.common.soap.SoapHttpTransport.invoke(So apHttpTransport.java:164) at com.zimbra.common.soap.SoapTransport.invoke(SoapTr ansport.java:397) at com.zimbra.cs.zclient.ZMailbox.invoke(ZMailbox.jav a:561) ... 37 more Code:service.FAILURE at com.zimbra.common.soap.Soap12Protocol.soapFault(So ap12Protocol.java:88) at com.zimbra.common.soap.SoapTransport.extractBodyEl ement(SoapTransport.java:344) at com.zimbra.common.soap.SoapTransport.parseSoapResp onse(SoapTransport.java:303) at com.zimbra.common.soap.SoapHttpTransport.invoke(So apHttpTransport.java:260) at com.zimbra.common.soap.SoapHttpTransport.invoke(So apHttpTransport.java:164) at com.zimbra.common.soap.SoapTransport.invoke(SoapTr ansport.java:397) at com.zimbra.common.soap.SoapTransport.invoke(SoapTr ansport.java:360) at com.zimbra.cs.account.soap.SoapProvisioning.invoke (SoapProvisioning.java:321) at com.zimbra.cs.account.soap.SoapProvisioning.create Account(SoapProvisioning.java:464) at com.zimbra.cs.offline.jsp.JspProvStub.createOfflin eAccount(JspProvStub.java:94) at com.zimbra.cs.offline.jsp.ZmailBean.doRequest(Zmai lBean.java:102) at com.zimbra.cs.offline.jsp.FormBean.doRequest(FormB ean.java:150) at sun.reflect.GeneratedMethodAccessor33.invoke(Unkno wn Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.sun.el.parser.AstFunction.getValue(AstFunction .java:127) at com.sun.el.ValueExpressionImpl.getValue(ValueExpre ssionImpl.java:206) at org.apache.jasper.runtime.PageContextImpl.evaluate Expression(PageContextImpl.java:1001) at org.apache.jsp.desktop.accsetup_jsp._jspx_meth_c_w hen_6(Unknown Source) at org.apache.jsp.desktop.accsetup_jsp._jspx_meth_c_c hoose_0(Unknown Source) at org.apache.jsp.desktop.accsetup_jsp._jspService(Un known Source) at org.apache.jasper.runtime.HttpJspBase.service(Http JspBase.java:109) at javax.servlet.http.HttpServlet.service(HttpServlet .java:814) at org.apache.jasper.servlet.JspServletWrapper.servic e(JspServletWrapper.java:389) at org.apache.jasper.servlet.JspServlet.serviceJspFil e(JspServlet.java:486) at org.apache.jasper.servlet.JspServlet.service(JspSe rvlet.java:380) at javax.servlet.http.HttpServlet.service(HttpServlet .java:814) at com.zimbra.webClient.servlet.JspServlet.service(
Js pServlet.java:64) at org.mortbay.jetty.servlet.ServletHolder.handle(Ser vletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedCha in.doFilter(ServletHandler.java:1166) at com.zimbra.cs.servlet.SetHeaderFilter.doFilter(Set HeaderFilter.java:79) at com.zimbra.webClient.filters.SetHeaderFilter.doFil ter(SetHeaderFilter.java:239) at org.mortbay.jetty.servlet.ServletHandler$CachedCha in.doFilter(ServletHandler.java:1157) at org.mortbay.jetty.servlet.ServletHandler.handle(Se rvletHandler.java:388) at org.mortbay.jetty.security.SecurityHandler.handle( SecurityHandler.java:218) at org.mortbay.jetty.servlet.SessionHandler.handle(Se ssionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(Co ntextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebA ppContext.java:422) at org.mortbay.jetty.handler.ContextHandlerCollection .handle(ContextHandlerCollection.java:230) at org.mortbay.jetty.handler.HandlerCollection.handle (HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:152) at org.mortbay.jetty.handler.rewrite.RewriteHandler.h andle(RewriteHandler.java:230) at org.mortbay.jetty.handler.HandlerWrapper.handle(Ha ndlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(Htt pConnection.java:543) at org.mortbay.jetty.HttpConnection$RequestHandler.co ntent(HttpConnection.java:946) at org.mortbay.jetty.HttpParser.parseNext(HttpParser. java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpPa rser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnec tion.java:405) at org.mortbay.io.nio.SelectChannelEndPoint.run(Selec tChannelEndPoint.java:410) at org.mortbay.thread.BoundedThreadPool$PoolThread.ru n(BoundedThreadPool.java:451)
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Cannot access zimbra server 
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