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Exchange Team Blog
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Released: July 2021 Exchange Server Security Updates

The_Exchange_Team's avatar
The_Exchange_Team
Icon for Microsoft rankMicrosoft
Jul 13, 2021
Microsoft has released security updates for vulnerabilities found in: Exchange Server 2013 Exchange Server 2016 Exchange Server 2019 All versions (Cumulative Update levels) are impacted. ...
Updated Aug 05, 2021
Version 15.0
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Exchange 2013
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GeraldSchwab's avatar
GeraldSchwab
Copper Contributor
Jul 14, 2021

I posted this before and it was deleted ?!!??!?! WHY?

 

I  am running Exchange Server 2013 CU23 and I am getting the following exception after last nights updates:

 

ASSERT: HMACProvider.GetCertificates:protectionCertificates.Length<1 
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 

Exception Details: Microsoft.Exchange.Diagnostics.ExAssertException: ASSERT: HMACProvider.GetCertificates:protectionCertificates.Length<1

Source Error: 

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.  

Stack Trace: 


[ExAssertException: ASSERT: HMACProvider.GetCertificates:protectionCertificates.Length<1]
   Microsoft.Exchange.Diagnostics.ExAssert.AssertInternal(String formatString, Object[] parameters) +241
   Microsoft.Exchange.Clients.Common.HmacProvider.GetCertificates() +478
   Microsoft.Exchange.Clients.Common.HmacProvider.GetHmacProvider() +143
   Microsoft.Exchange.Clients.Common.HmacProvider.ComputeHmac(Byte[][] messageArrays) +16
   Microsoft.Exchange.HttpProxy.FbaModule.SetCadataCookies(HttpApplication httpApplication) +826
   Microsoft.Exchange.HttpProxy.FbaFormPostProxyRequestHandler.HandleFbaFormPost(BackEndServer backEndServer) +2778
   Microsoft.Exchange.HttpProxy.FbaFormPostProxyRequestHandler.ShouldContinueProxy() +20
   Microsoft.Exchange.HttpProxy.ProxyRequestHandler.BeginProxyRequestOrRecalculate() +229
   Microsoft.Exchange.HttpProxy.ProxyRequestHandler.InternalOnCalculateTargetBackEndCompleted(TargetCalculationCallbackBeacon beacon) +1379
   Microsoft.Exchange.HttpProxy.<>c__DisplayClass3f.<OnCalculateTargetBackEndCompleted>b__3e() +311
   Microsoft.Exchange.Common.IL.ILUtil.DoTryFilterCatch(TryDelegate tryDelegate, FilterDelegate filterDelegate, CatchDelegate catchDelegate) +35
   Microsoft.Exchange.HttpProxy.Diagnostics.SendWatsonReportOnUnhandledException(MethodDelegate methodDelegate, LastChanceExceptionHandler exceptionHandler) +121
   Microsoft.Exchange.HttpProxy.ProxyRequestHandler.CallThreadEntranceMethod(MethodDelegate method) +69

[AggregateException: One or more errors occurred.]
   Microsoft.Exchange.HttpProxy.ProxyRequestHandler.EndProcessRequest(IAsyncResult result) +416
   System.Web.CallHandlerExecutionStep.InvokeEndHandler(IAsyncResult ar) +231
   System.Web.CallHandlerExecutionStep.OnAsyncHandlerCompletion(IAsyncResult ar) +172
 


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