MS09-056 (KB 974571) may break OCS 2007 R2

*UPDATE:  Microsft has added more information to the original KB here, including a fix.  Thanks to Tom L (LCSKid) for the update on twitter.*

This morning I had a customer call that had applied patches and OCS wasn’t working.  A quick google lead me to :

I uninstalled 974571 for the customer and rebooted and they were back online.

I haven’t done any further testing as of yet, but as this is a big deal I wanted to get the word out quickly to those of you who read the ocsguy blog, please hold on applying this patch to your OCS environment for now.  I’ll update once I have more information.

About Kevin Peters

My name is Kevin Peters.
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