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EMM Hub and ePO Server Unable to Communicate

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Up until today, communication between my EMM 12.0.5 Internal Hub (running on Server 2012 R2) and the ePO server has worked just fine. Suddenly, every time I navigate to Server Settings > Enterprise Mobility Management in ePO, I immediately get "Unknown error has occurred". It is apparently unable to retrieve the settings from the Hub.

Looking at the Event Viewer on the Hub, I am now seeing this:

WebHost failed to process a request.

Sender Information: System.ServiceModel.ServiceHostingEnvironment+HostingManager/5593166

Exception: System.ServiceModel.ServiceActivationException: The service '/EMMHub/PushNotifierGateway.svc' cannot be activated due to an exception during compilation.  The exception message is: Could not load file or assembly 'App_Web_bai-fzzs, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.. ---> System.IO.FileNotFoundException: Could not load file or assembly 'App_Web_bai-fzzs, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.

File name: 'App_Web_bai-fzzs, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null'

   at System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection)

   at System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection)

   at System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection)

   at System.Reflection.Assembly.Load(String assemblyString)

   at System.ServiceModel.Activation.ServiceHostFactory.CreateServiceHost(String constructorString, Uri[] baseAddresses)

   at System.ServiceModel.ServiceHostingEnvironment.HostingManager.CreateService(String normalizedVirtualPath)

   at System.ServiceModel.ServiceHostingEnvironment.HostingManager.ActivateService(String normalizedVirtualPath)

   at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath)

WRN: Assembly binding logging is turned OFF.

To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1.

Note: There is some performance penalty associated with assembly bind failure logging.

To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog].

   --- End of inner exception stack trace ---

   at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath)

   at System.ServiceModel.ServiceHostingEnvironment.EnsureServiceAvailableFast(String relativeVirtualPath)

Process Name: w3wp

Process ID: 4252

I cannot figure out what has changed in the last couple of days. I was wondering if anyone else has seen this message, or have any idea where it originates and how you resolved it?

Any guidance you can provide would be greatly appreciated!

1 Solution

Accepted Solutions

Re: EMM Hub and ePO Server Unable to Communicate

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Restarting the Hub and ePO did not resolve it, but McAfee KB 83370 did:

https://kb.mcafee.com/agent/index?page=content&id=KB83370

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2 Replies

Re: EMM Hub and ePO Server Unable to Communicate

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Most probably,this issue will fix after rebooting the EMM hub server.

Re: EMM Hub and ePO Server Unable to Communicate

Jump to solution

Restarting the Hub and ePO did not resolve it, but McAfee KB 83370 did:

https://kb.mcafee.com/agent/index?page=content&id=KB83370

View solution in original post

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