ConfigMgr 2012 DRS Initialization Internals

Hi Folks, I have tried explaining the DRS Initialization internals so that we have better understanding in troubleshooting the issue as Initialization is a major part of troubleshooting in DRS cases. I have used some techniques to stop the messages in the SQL Service broker. This is for educational purposes and we should not touch…

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ConfigMgr 2012 R2 – Multiple SUP scenario: Clients not failing over to the other SUP

Hi Folks, For those who are not aware how Multiple SUPs selection and failover works in ConfigMgr 2012 SP1 onwards , Kindly refer below – http://blogs.technet.com/b/configmgrteam/archive/2013/03/27/software-update-points-in-cm2012sp1.aspx This says – So what determines a scan failure, and how does the client react to these conditions?  Scans can fail with a number of retry, and non-retry error…

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ConfigMgr 2012 Hardware Inventory Resync and BADMIF Internals

Hi Folks, This post will help you understand the flow of Resync of Inventory in the ConfigMgr 2012. There are many scenarios when a resync can be generated; 1. If we miss a delta inventory. 2. If the get a badly formatted MIF. (E.g. There is a column mismatch or a datatype mismatch) So below…

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ConfigMgr 2012 DRS – Troubleshooting FAQs

Hi Folks, Thanks for your feedback on the previous DRS unleashed post. As promised, this post would take you in the deep analysis and troubleshooting of the ConfigMgr 2012 Data replication services issues. I have tried putting up the format as a Q and A format to answer the questions that came to my mind…

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The case of proxies and ConfigMgr – An inside view

Hi Folks, I have faced many issues related directly or indirectly to proxies. The enterprise environment tend to have the traffic directed towards them for monitoring and security. But the point comes in with ConfigMgr, as to how to we deal with it while fetching the local URLs and not going to internet. The discussion…

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ConfigMgr 2012 – Application Supersedence behavior with Task Sequence deployments

Hi Folks, Today’s post is brought to you by my colleague Senthil. This explains about how ConfigMgr Application Supersedence works in ConfigMgr 2012 Application Model. To know the basics of Application supersedence you can follow – http://technet.microsoft.com/en-us/library/gg682071.aspx Recently we came across some scenarios where the Application supersedence causes the installation of the superseding applications without…

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ConfigMgr 2012 Rebuilding Indexes criteria

Hi Folks, Todays’ post is about the ‘Rebuilding the Indexes’ criteria used by the ConfigMgr Maintenance task when it runs as per schedule. There were questions regarding which indexes are actually rebuild touched and what are not. The option for enabling the Rebuild Indexes is shown below –  Criteria: – The rebuilding of the indexes…

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ConfigMgr 2012 Data Replication Service (DRS) Unleashed

Hello Folks, Today's post is about the much talked about feature Data Replication Service (DRS) in ConfigMgr 2012.  Data replication Service came as a brand new feature for ConfigMgr 2012 for the replication between the sites along with the legacy file based replication that was used in the earlier versions. Sometimes folks do refer it…

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ConfigMgr 2012: DRS and SQL service broker certificate issues

Hi Folks, Today's post is about the much talked about feature on ConfigMgr 2012- Data Replication Service (DRS). The replication mechanism internally uses SQL Service broker and I am discussing the three common issues with SSB that can stop the replication.   Issue 1: In the SQL error log we see the following: 'Connection handshake…

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