# Error Browsing OPC **URL:** \ **Category:** Ignition\ **Created:** [December 10, 2013, 11:37pm UTC](https://forum.inductiveautomation.com/t/error-browsing-opc/7688 "2013-12-10T23:37:04Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![phoareau](https://avatars.discourse-cdn.com/v4/letter/p/f14d63/32.png) [@phoareau](https://forum.inductiveautomation.com/u/phoareau)\ **Post date:** [December 10, 2013, 11:37pm UTC](https://forum.inductiveautomation.com/t/error-browsing-opc/7688/1 "2013-12-10T23:37:04Z")
Hi, I install a Bekhoff OPC server to collect the data form there PLC. I could browse the server to get the tag a couple of time but most of the time I got an “Error OPC Browsing”. The version of Ignition install on the server is 7.6.4. The issue may be due to the fact that the server run on xp with a old version of JAVA and Internet Explorer. Here is the log file that I got. Message: Error browsing OPC. Time: Tue Dec 10 6:50:06AM Severity: ERROR Logger: com.inductiveautomation.ignition.designer.sqltags.opcbrowser.AbstractOPCTreeNode Stack Trace: com.inductiveautomation.ignition.client.gateway\_interface.GatewayException: Results for asynchronous rpc call were not received within the specified amount of time [120000 ms] for task ‘16441596-2e32-4fbe-8532-bdb03975edc7’     at com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.newGatewayException(GatewayInterface.java:313)     at com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.sendMessage(GatewayInterface.java:283)     at com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.invokeWithTimeout(GatewayInterface.java:807)     at com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.browseOPC(GatewayInterface.java:811)     at com.inductiveautomation.ignition.designer.sqltags.opcbrowser.OPCFolderNode.loadChildren(OPCFolderNode.java:52)     at com.inductiveautomation.ignition.client.util.gui.tree.AbstractAsynchronousTreeNode$Loader.run(AbstractAsynchronousTreeNode.java:75)     at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)     at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)     at java.util.concurrent.FutureTask.run(Unknown Source)     at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)     at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)     at java.lang.Thread.run(Unknown Source) Caused by: java.util.concurrent.TimeoutException: Results for asynchronous rpc call were not received within the specified amount of time [120000 ms] for task ‘16441596-2e32-4fbe-8532-bdb03975edc7’     at com.inductiveautomation.ignition.client.util.gui.progress.ClientProgressManager$RunningTask.waitForResult(ClientProgressManager.java:486)     at com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.sendMessage(GatewayInterface.java:268)     … 10 more Stack Trace: com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.newGatewayException(GatewayInterface.java:313) com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.sendMessage(GatewayInterface.java:283) com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.invokeWithTimeout(GatewayInterface.java:807) com.inductiveautomation.ignition.client.gateway\_interface.GatewayInterface.browseOPC(GatewayInterface.java:811) com.inductiveautomation.ignition.designer.sqltags.opcbrowser.OPCFolderNode.loadChildren(OPCFolderNode.java:52) com.inductiveautomation.ignition.client.util.gui.tree.AbstractAsynchronousTreeNode$Loader.run(AbstractAsynchronousTreeNode.java:75) java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) java.util.concurrent.FutureTask.run(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) java.lang.Thread.run(Unknown Source) Regards, ---
**Author:** ![Robert.McKenzie](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/robert.mckenzie/32/4134_2.png) [@Robert.McKenzie](https://forum.inductiveautomation.com/u/Robert.McKenzie)\ **Post date:** [December 27, 2013, 10:57pm UTC](https://forum.inductiveautomation.com/t/error-browsing-opc/7688/2 "2013-12-27T22:57:19Z")
It looks to me like your OPC Server isn’t responding within the 120 second time limit. Is this an OPCDA server that you are trying to get connected to? Is it a remote connection or a local connection?