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ERROR: Threading issues using PC Anywhere remoting software

Symptoms

CatTools experiences problems starting the client threads when running on machines that use PC Anywhere remote desktop software.

You may see the following (or very similar) lines in the infolog.txt file or Info log pane:

  • Starting CatTools_Client COM object. (30 threads)*
  • Re-check of thread 1 failed. Error: Automation errorThe remote procedure call failed.
  • Error starting client threads.
  • Thread check failed on thread number 1. Will attempt restart of CatTools Client. Error: The remote server machine does not exist or is unavailable
  • Trying single threaded mode...
  • Starting CatTools_Client COM object. (1 threads)
  • Threads started. Thread count = 1
Although these errors occur, CatTools will continue running fine, but it will be running only on a single client thread so your activities may take longer to complete.

(* the number of threads will vary depending on your CatTools edition and the number of threads you have specified for your activity.)


Reason

It is suspected that PC Anywhere interrupts the windowing system and cause the client to only start one thread.


Resolve

Upgrade to CatTools v3.3.2 or later. A number of significant modifications were made for v3.3.2 in order to get the CatTools Service working on a Windows Vista system.
v3.3.2 was tested using PC Anywhere 12.1 and (with the exception of Windows Vista) had no issues.  Windows Vista appears to have some problems with PC Anywhere, therefore we recommend using RDP for remote connections to Windows Vista systems.

There is no known workaround to resolve the threading issues on CatTools systems v3.2.19 and prior, which are being remoted to using PC Anywhere.


Kiwi recommends...

We recommend the use of Windows Terminal Services or Remote Desktop Connection which are based on Remote Desktop Protocol (RDP), to connect to your remote CatTools systems. To our knowledge there are no known threading issues associated with RDP.
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