Umair Khan's blog

Sharing my experience with System Center Configuration Manager and Microsoft.

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  • Blog Post: 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...
  • Blog Post: 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...
  • Blog Post: 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 are the...
  • Blog Post: 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...
  • Blog Post: 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...
  • Blog Post: 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...
  • Blog Post: 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...
  • Blog Post: Case Study - ConfigMgr 2012: Moved the SUP role with a new WSUS server (new DB) and now the WCM fails to sync.

    Hi Folks, Todays’ post is a case study about ConfigMgr 2012 – WSUS sync issue. The issue started after the Software update point was moved to a different server. The WSUS was reinstalled there with a new database. Just to revisit the concepts, we generally look into the WSyncMgr log to check the sync...
  • Blog Post: 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...
  • Blog Post: ConfigMgr 2012: SMSExec shuts down when we add the SUP role

    Hi Folks, I had an interesting issue where when we try to add the SUP role, the SMSExec used to shut down. It was initially a bit difficult to understand that it is the SUP role that is making the SMSExec to shut. The final issue came out to be that when we try to install the SUP role and add the...
  • Blog Post: 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...