SSO with SPNego not working on Windows 7 / Windows 2008 R2
With Windows 7 and Windows 2008 R2 Microsoft removed the DES encryption used by SAPs SPNego implementation from the default encryption types for Kerberos. In this blog I outline the steps neccessary to get Single Sign On with SPNego working again.  Nov. 5, 2009
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Install Duet 1.5 SP3 - From start to finish in 5 hours
Now that Duet 1.5 is GA, I want to bring to your attention a new guide, that explains how to setup a Duet landscape from scratch. It shows each step in detail and is intended as an additional guide to the official guides available on service marketplace. The goal is to enable potential Duet customers to easily setup a POC landscape.  Oct. 12, 2009
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Encryption everywhere -- Securing your Duet landscape
This blog takes a look at the connections and security related configurations in complex NetWeaver landscape -- like a Duet installation (WebAS Java to WebAS ABAP, WebAS Java to IIS, ...). As a result you should not only know how to secure your landscape, but also get a better understanding of what components are involved.  Oct. 3, 2009
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Installing / Updating to Duet 1.5 SP3
With Duet 1.5 SP3 a lot of improvements regarding the installation process (especially on the client side) have been introduced. In this blog I want to outline how to install / update your Duet landscape. Aug. 27, 2009
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Configuring SPNego with ABAP datasource -- Part 2
After my previous blog Configuring SPNego with ABAP datasource several questions were raised. This time I focus on three possible scenarioas and on questions that were raised to me.  Mar. 2, 2009
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Usermapping with J2EE Engine
When you have different user IDs in your J2EE engine and in your ABAP system you can use usermapping in order to include both IDs in your SAP Logon Ticket. In this blog I want to take a look at two possibilites to perfom this kind of mapping: either direct in the LDAP system or in the UME.  Feb. 9, 2009
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Single Sign On to BSP pages from Duet's Action Pane
Accesing a BSP from your applications can be tricky. Usually the user has to authenticate himself / herself again via basic authentication. If you already have a J2EE Engine that works with SPNego a Single Sign On to your BSP page can be very simple. In Duet, the Action Pane allows you to create and modify links to other web pages. This can be very usful to access additional data. Customers usually know how to develop BSP pages on the ABAP server. In this blog I show how you can access this data without having to log on again.  Oct. 6, 2008
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TechEd 2008 - UP267 - Install a Duet Server
Quick introduction to the Duet TechEd 2008 session - Install a Duet server. In this 4 hour hands-on session you will be able to install a complete Duet landscape almost from scratch. After that you will have time to work with the following Duet scenarios: Reporting, Leave Management, Time Management and Team Management. Aug. 26, 2008
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Configuring SPNego with ABAP datasource
This blog explains how to configure Single Sign On via SPNego from Windows to the J2EE Engine when the UME is connected to an ABAP system.  Mar. 10, 2008
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Configuring and troubleshooting SPNego -- Part 3
This is the third part in the SPNego Troubleshooting series where I take a look at the J2EE logs which can be very helpful in showing what is going wrong. I will deal with several issues and point out what is going wrong (and how it can be fixed).  Jan. 24, 2008
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Configuring and troubleshooting SPNego -- Part 2
In this second part I will be dealing with basic troubleshooting of a SPNego configuration. I assume that the installation was done with the SPNego Wizard and I will work from there. At first I will take a look at the server configuration and then show some tools which can help to find issues. Jan. 15, 2008
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Configuring and troubleshooting SPNego -- Part 1
This is the first part of three where I try to explain how to troubleshoot SPNego problems. This first part deals with how to set up SPNego with the SPNego Wizard.  Jan. 9, 2008
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