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MS Exchange Mail Flow

Hi

I have an issue that has turned up randomly and not sure where the issue comes from.
This server has been operational with no issues for over 12 Months.

This morning I cannot send or recieve email from the server.

Microsft exchange transport service will not start and I have some odd permission errors happening.

Below is the error as viewed in the event log.

Any assistance in finding the fault here would be much appreciated.

Cheers
Paul

Microsoft Exchange couldn't start transport agents. The Microsoft Exchange Transport service will be stopped. Exception details: Failed to create type 'Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory' from assembly 'C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\agents\Hygiene\Microsoft.Exchange.Transport.Agent.Hygiene.dll' due to error 'Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))'. : Microsoft.Exchange.Data.ExchangeConfigurationException: Failed to create type 'Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory' from assembly 'C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\agents\Hygiene\Microsoft.Exchange.Transport.Agent.Hygiene.dll' due to error 'Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))'. ---> Microsoft.Exchange.Data.ExchangeConfigurationException: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)) ---> System.UnauthorizedAccessException: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
   at Microsoft.Exchange.Data.Transport.Interop.UnsafeNativeMethods.CoCreateInstance(Guid rclsid, Object pUnkOuter, UInt32 dwClsContext, Guid riid)
   at Microsoft.Exchange.Data.Transport.Interop.ComProxy..ctor(Guid guidClass)
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory.InitializeFilter()
   --- End of inner exception stack trace ---
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory.InitializeFilter()
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory.Configure(Boolean onStartup)
   at Microsoft.Exchange.Transport.Agent.ContentFilter.ContentFilterAgentFactory..ctor()
   --- End of inner exception stack trace ---
   at Microsoft.Exchange.Data.Transport.Internal.MExRuntime.FactoryTable.CreateAgentFactory(AgentInfo agentInfo)
   at Microsoft.Exchange.Data.Transport.Internal.MExRuntime.FactoryTable..ctor(IEnumerable agents)
   at Microsoft.Exchange.Data.Transport.Internal.MExRuntime.RuntimeSettings..ctor(MExConfiguration config, String agentGroup)
   at Microsoft.Exchange.Data.Transport.Internal.MExRuntime.MExRuntime.Initialize(String configFile, String agentGroup, Boolean isBridgeHead, String installPath)
   at Microsoft.Exchange.Transport.Extensibility.AgentComponent.Load()
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kennedypd1
Asked:
kennedypd1
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1 Solution
 
BusbarCommented:
ok first, can you uninstall the spam filters and then reenabled them again.
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kennedypd1Author Commented:
Thanks for your quick response.

Something I forgot to mention.
If I go into the services panel and change the logon for the transportation service to my administrators logon it starts just fine and I can see the queue but it cant deliver the mail as it has to be networkservice to access mailboxes as I understand it. This to me seems to mean I have an access issue error with my networkservice.

When you say spam filters you want me to uninstall AVG?

Cheers
Paul
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BusbarCommented:
don't change the services' accounts.
do you have a list of them, return them to the default, also make sure that no GPO applies that prevents local system and network service from logging into the server.
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kennedypd1Author Commented:
Hi

I have returned the logon to network service.
I can see nothing in the GPO that would stop these accounts logging on.
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BusbarCommented:
i don't think that all of them run network service
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kennedypd1Author Commented:
I only altered the microsoft exchange transportation service so have restored that one only
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BusbarCommented:
ok and you still getting the errors, have you rebooted the server since the change
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kennedypd1Author Commented:
Have rebooted and error still the same. The error goes when I put my admin account info into the login but then the other things dont work so have it back at network service now. The reason I raised it is that you were suggesting uninstall of AVG and would that work if the service actually works with the other login. It appears to be a permissions error on the network service login.
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BusbarCommented:
hmm, it looks that you are not putting the network service account password.
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kennedypd1Author Commented:
the network service does not have a password. They are setup this way by the operating system
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R--RCommented:
Give network service account permission on 'C:\Program Files\Microsoft\Exchange Server\V14
and subfolders.
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kennedypd1Author Commented:
Hi

NetworkService does not come as a user that you can add to security. What I have done is given Network Service which is a group full access to this folder. I believe that this should cover it. I can drill down to the dll that the error message is complaining about and see that Network Service has full access to it.

Cheers
Paul
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kennedypd1Author Commented:
Hi

Have noticed that the folders inside C:\Program Files\Microsoft\Exchange Server\V14 have a tick in the read only box. I remove this and it applies it to the sub folders but the tick just comes right back.

Any thoughts?
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kennedypd1Author Commented:
I had to do a full server reload to resolve this. Not an ideal situation but was going to be quicker that trying to resolve.
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kennedypd1Author Commented:
I did not find a solution to issue apart from reload of server
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