FRM-92101 on client machines after physical move to new building

I'm relatively new to IAS (1.0.2.2.2a), Portal (3.0.9.8.5), Forms (6.0.8.25), etc. We recently moved most of our employees to a new building. The web server and DB server remains at the old location. External internet users continue to access the portal and Forms application successfully. Our Intranet users can access the portal. But after the Forms app URL is selected, the application login/mainmenu fails with FRM-92101: A failure has occurred on the server. You will need to reestablish your session.
The java console display on my workstation:
Forms Applet version is : 60825
oracle.forms.net.ConnectionException: Forms session <1,102> aborted: unable to communicate with runtime process.
     at oracle.forms.net.ConnectionException.createConnectionException(Unknown Source)
     at oracle.forms.net.HTTPNStream.getResponse(Unknown Source)
     at oracle.forms.net.HTTPNStream.doFlush(Unknown Source)
     at oracle.forms.net.HTTPNStream.flush(Unknown Source)
     at java.io.DataOutputStream.flush(Unknown Source)
     at oracle.forms.net.StreamMessageWriter.run(Unknown Source)
Anyone have any idea on how to begin chasing this down?

Thanks for the response. I've worked several days with with my Network IT dept to resolve this issue. So far, they see nothing. They opened up the firewalls completely with negative results. Network tracing has revealed nothing. I discovered workstation DNS calls from the server didn't work any longer after the move to the new building. That has been resolved with no effect on the Forms call. I have increased all the recommended timeout parameters per Note 204446.1. No impact. My failure is immediate when calling the form from my portal. It's as if workstation sessions are being rejected by the the Forms servlet process or the network. Any ideas on what else to look at?

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     private final static String windowsRunIpConfigCommand() throws IOException {
          Process p = Runtime.getRuntime().exec("ipconfig /all");
          InputStream stdoutStream = new BufferedInputStream(p.getInputStream());
          StringBuffer buffer= new StringBuffer();
          for (;;) {
               int c = stdoutStream.read();
               if (c == -1) break;
               buffer.append((char)c);
          String outputText = buffer.toString();
          stdoutStream.close();
          return outputText;
how to pick the wireless physical address?
Regards:

Hi !
our request object, which is available to all the jsp pages can access ip address and host name of client through these calls.
request.getRemoteAddr()
request.getRemoteHost()
Interface "ServletRequest"
getRemoteAddr ----
public java.lang.String getRemoteAddr()
Returns the Internet Protocol (IP) address of the client that sent the request. For HTTP servlets, same as the value of the CGI variable REMOTE_ADDR.
Returns:
a String containing the IP address of the client that sent the request
getRemoteHost
public java.lang.String getRemoteHost()
Returns the fully qualified name of the client that sent the request. If the engine cannot or chooses not to resolve the hostname (to improve performance), this method returns the dotted-string form of the IP address. For HTTP servlets, same as the value of the CGI variable REMOTE_HOST.
Returns:
a String containing the fully qualified name of the client
All the Best!
(Simmy)

FRM-92101 on client machines after physical move to new building

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