Siemens Industry Online Support
Siemens AG
Entry type: FAQ Entry ID: 109752244, Entry date: 11/23/2017

How do you create a log file for a COMOS Mobile Solutions client?

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If you have addressed a support request about COMOS to Support, a COMOS log file is often required for the Support Request. Here we describe how to create a COMOS log file for a COMOS Mobile Solutions client.


  1. Download the application "Fiddler" via this link:

    Always use the latest version of "Fiddler" to create the log file.

  2. Install the "Fiddler" application.

  3. As administrator you start the "Fiddler" application with a right-click.

    Fig. 01

  4. Start your client session and reproduce your query so that the debug outputs are recorded.

  5. Then save the log file of the "Fiddler" application and in the name of the log file you save the Incident Report - ID(IR-ID) of your COMOS Support Request.

  6. Upload the log file via the GTAC portal.
    How to proceed for this is described in the FAQ response in Entry ID 109474501.

    Other ways how you create a log file are shown in the following FAQs:
    How do you create a log file for a local COMOS installation?
    How do you create a log file for a COMOS client in a Citrix session?
    How do you create a log file for a COMOS Mobile Solutions server? 

Further Information
More help and useful information about COMOS is available via the COMOS topic page:

This page gives you a quick overview of the all the important COMOS entries in Online Support like:

  • COMOS Application Examples
  • COMOS Forum
  • COMOS Media Systems (Videos)
  • COMOS Manuals
  • COMOS Services
  • COMOS Support
  • COMOS Training

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