Fix Schannel (KB2992611) causes the saturation of the LSASS by MS SQL server service
Hello
I manage a small NET 3.5 web application that is running on Windows Server 2008 R2 under IIS, querying a server MS SQL Express 2012 using the MS SQL Native client. Authentication is also on MS SQL and not windows.
After applying the fix Schannel the performance of the application (see KB2992611) has deteriorated to the point where it was more usable. The reason proved that after application of the patch, MS SQL server deploys an excessive number of requests for authorization for LSASS (e.g. 8000 per second, while that the application requires only an application for authorization by the action of the user, because the necessary applications are all made under an authenticated connection).
We also have ESET File Security 4.5.12005.0, but disable the real-time protection did not make a difference - I don't expect that it is a factor.
Someone has suggestions for what is possible in this situation so that we can correct the problem of Schannel and still have a working web app? It's a question of having someone else?
Thank you very much
Tim
Looks like they have just re-released it:
Reason for revision: V2.0 (November 18, 2014): Bulletin revised
to announce the new proposals of the 2992611 systems update
running Windows Server 2008 R2 and Windows Server 2012.
Customers running Windows Server 2008 R2 or Windows Server 2012 having installed upgrading 2992611 before November 18 new proposals must reapply the update
Tags: Windows
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