Problem: Attempting to install the Duet Client results in the following .NET installation Error in the %temp%\dd_dotnetfx20error.txt log file “Error: Installation failed for component Microsoft .NET Framework 2.0a. MSI returned error code 1603”  ...

We had an issue where a Duet Client would fail to authenticate to the Duet Read Service with NTLM, but it would work if we enabled Basic Authentication.  In looking at the IIS logs, we could clearly see the 401 error.  However, the error code...

If you have multiple Duet scenarios installed that each add buttons to the same item in Outlook, the order in which the Duet buttons appear on the Outlook items may change after installing Duet updates. For example, both the Time Reporting (TIMA) and...

I recently worked on an issue where a customer was using TIMA and trying to record an appointment with a 15 min duration but it would end up getting tracked as 5 mins. After doing some testing on the machine I realized that the behavior was that the number...

Duet installation may fail if MSXML 6 Service Pack 2 ( KB954459 ) is already installed. For a silent Duet install you should see an exit code of 2 in the setup log which maps to SQLINSTALLFAILURE and indicates that Duet was not able to install SQL Server...

Duet uses Extended MAPI for some functionality and therefore requires that the computer be in a supported MAPI configuration. Having Exchange System Manager (ESM) installed on an Outlook client is not a supported configuration and generally results in...

The goal of this post is to provide a quick list of the important Duet 1.5 SP3 installation issues that need to be understood when planning for a production rollout. Troubleshooting Duet client install errors Duet Upgrade 1.5 SP2 to SP3 fails on...

Duet provides a group policy setting named " Use Outlook settings for profile selection ", which is designed to automatically select the default Outlook profile during Duet deployment if more than one profile exists. Duet deployment occurs the...

The Problem When upgrading from Duet 1.5 SP2 to SP3.  The client executing the setup process fails with error message "Duet setup completed with error.  Error Code - -1." during the step of "Uninstalling previous versions of Duet"...

When attempting to install the Duet client to user in an automated fashion, the install may fail with an error.  The error may seem cryptic, but we have a document on TechNet that can help explain what piece may have failed.  For instance here...