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Thousands of Event 4625 logged every day

September 19, 2019, 6:58 am
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We have one linked mailbox in our Exchange Organisation, which is accessed only by an account from another, trusted, domain.  There are no issues with accessing the mailbox, and everything functions as expected.  However, every time the mailbox is accessed, Event 4625 is logged as below:

An account failed to log on.
Subject:
 Security ID:  SYSTEM
 Account Name:  EXCHANGE$
 Account Domain:  EXCHANGEDOMAIN
 Logon ID:  0x3E7
Logon Type:   3
Account For Which Logon Failed:
 Security ID:  NULL SID
 Account Name:  
 Account Domain:  
Failure Information:
 Failure Reason:  Account currently disabled.
 Status:   0xC000006E
 Sub Status:  0xC0000072
Process Information:
 Caller Process ID: 0x1f0c
 Caller Process Name: C:\Program Files\Microsoft\Exchange Server\V15\Bin\Microsoft.Exchange.RpcClientAccess.Service.exe
Network Information:
 Workstation Name: EXCHANGE
 Source Network Address: -
 Source Port:  -

Detailed Authentication Information:
 Logon Process:  Authz  
 Authentication Package: Kerberos
 Transited Services: -
 Package Name (NTLM only): -
 Key Length:  0

We are getting thousands of these events logged every day, and this causes an alert which someone has to investigate, just in case there are genuine events that need to be investigated.
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Critical Error running Exchange Console 2010 on a Windows 10 PC - Can no longer view mailbox properties

September 20, 2019, 12:47 pm
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I believe this is a recent development.  I run the Exchange Console snap-in from my desktop and I can scroll through the mailboxes, take all sorts of actions, but I cannot right click and select properties - I get a critical error.  If I take the same actions on the Exchange server itself - it operates normally. 

Is there a fix?

Here's the error message:

Microsoft Corporation
Microsoft® Windows® Operating System
10.0.18362.1
Exception has been thrown by the target of an invocation.
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentException: Cannot bind to the property or column CountryOrRegion on the DataSource.
Parameter name: dataMember
   at System.Windows.Forms.BindToObject.CheckBinding()
   at System.Windows.Forms.Binding.SetListManager(BindingManagerBase bindingManagerBase)
   at System.Windows.Forms.ListManagerBindingsCollection.AddCore(Binding dataBinding)
   at System.Windows.Forms.BindingsCollection.Add(Binding binding)
   at System.Windows.Forms.BindingContext.UpdateBinding(BindingContext newBindingContext, Binding binding)
   at System.Windows.Forms.Binding.SetBindableComponent(IBindableComponent value)
   at System.Windows.Forms.ControlBindingsCollection.AddCore(Binding dataBinding)
   at System.Windows.Forms.BindingsCollection.Add(Binding binding)
   at Microsoft.Exchange.Management.SnapIn.Esm.Recipients.AddressAndPhonePropertyControl..ctor(String layoutXML)
   at Microsoft.Exchange.Management.SnapIn.Esm.Recipients.AddressAndPhonePropertyControl..ctor()
   at Microsoft.Exchange.Management.SnapIn.Esm.Recipients.ShowMailboxPropertiesCommandAction.GetMailboxPropertyPageControlsPerContext(AbstractRecipientsResultPane recipientsResultPane, DataContext mailboxContext, RecipientTypeDetails recipientTypeDetails)
   at Microsoft.Exchange.Management.SnapIn.Esm.Recipients.ShowMailboxPropertiesCommandAction.GetPropertyPageControls(Boolean bulkEditing)
   at Microsoft.Exchange.Management.SystemManager.WinForms.ShowSelectionPropertiesCommandAction.ShowPropertySheetDailog(String propertySheetName, String dialogNamePrefix, Boolean bulkEditing)
   at Microsoft.Exchange.Management.SystemManager.WinForms.ShowSelectionPropertiesCommandAction.OnExecute()
   at Microsoft.ManagementGUI.Commands.Command.OnExecute(EventArgs e)
   at Microsoft.ManagementGUI.Commands.Command.Invoke(EventArgs e)
   at System.Windows.Forms.MenuItem.MenuItemData.Execute()
   at System.Windows.Forms.Command.Invoke()
   at System.Windows.Forms.Control.WmCommand(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ListView.WndProc(Message& m)
   at Microsoft.Exchange.Management.SystemManager.WinForms.DataListView.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
   --- End of inner exception stack trace ---
   at Microsoft.ManagementConsole.Internal.SnapInMessagePumpProxy.OnThreadException(Object sender, ThreadExceptionEventArgs e)
   at System.Windows.Forms.Application.ThreadContext.OnThreadException(Exception t)
   at System.Windows.Forms.Control.WndProcException(Exception e)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
   at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
   at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   at System.Windows.Forms.Form.ShowDialog(IWin32Window owner)
   at Microsoft.ManagementConsole.Internal.ConsoleDialogHost.ShowDialog(WaitCursor waitCursor, ShowDialogCallback callback)
   at Microsoft.Exchange.Management.SnapIn.SnapInUIService.OnShowDialog(Form form)
   at Microsoft.Exchange.Management.SystemManager.WinForms.UIService.ShowDialog(Form form)
   at Microsoft.Exchange.Management.SnapIn.Esm.Recipients.FindCommandAction.OnExecute()
   at Microsoft.ManagementGUI.Commands.Command.OnExecute(EventArgs e)
   at Microsoft.ManagementGUI.Commands.Command.Invoke(EventArgs e)
   at Microsoft.Exchange.Management.SnapIn.CommandActionAdapter.action_Triggered(Object sender, ActionEventArgs e)

mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
Microsoft.ManagementConsole, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
System.Xml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
MMCFxCommon, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Exchange.Management.SnapIn.Esm, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Management.SystemManager, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.ManagementGUI, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Data.Common, Version=14.3.214.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.ManagementGUI, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Configuration.ObjectModel, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
Microsoft.Exchange.Diagnostics, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Exchange.Data.Directory, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Data, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.PowerShell.HostingTools, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
System.Management.Automation, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
System.Numerics, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
System.Drawing.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Exchange.Common, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
WindowsBase, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
PresentationCore, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Net, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Core.Strings, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
System.Xaml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
System.Runtime.Serialization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
Microsoft.Exchange.Extensibility.Internal, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Management.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
System.Management, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
System.DirectoryServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Exchange.HelpProvider, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Common.IL, Version=0.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Configuration.RedirectionModule, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Management, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Isam.Interop, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
BPA.Common, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
BPA.UserInterface, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Interop.ActiveDS, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Interop.adsiis, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Interop.Migbase, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.DKM.Proxy, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.AirSync, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Approval.Applications, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.CabUtility, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Cluster.Replay, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Compliance, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Data.ApplicationLogic, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Data.Mapi, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Data.Providers, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Data.Storage, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.EdgeSync.Common, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.EdgeSync.DatacenterProviders, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.InfoWorker.Common, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Live.DomainServices, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.MailboxReplicationService.Common, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.MessageSecurity, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.MessagingPolicies.Rules, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Rpc, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Search.Native, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Security, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.StoreProvider, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Transport.Agent.AntiSpam.Common, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Transport.Agent.SenderId.Core, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Transport, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Transport.Logging.Search, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Transport.Sync.Common, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Transport.Sync.Worker, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.UM.TroubleshootingTool.Shared, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.UM.UMCommon, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.RightsManagementServices.Core, Version=6.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Search.ExSearch, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
MSExchangeLESearchWorker, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
Microsoft.Exchange.Data.Transport, Version=14.3.214.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
System.Xml.Linq, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
Anonymously Hosted DynamicMethods Assembly, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null
System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Accessibility, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Microsoft.Exchange.Sqm, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
MMCEx, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35

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No Valid Certificates for Transport-Hybrid

September 21, 2019, 11:37 pm
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Hi, 

We have On-Prem exchange with domain abc.com but out root domain is abc.gov.com. now we are running Hybrid wizard for office365 migration. when we run wizard it picks up abc.gov.com so I get "No Valid Certificates for Transport-Hybrid" error as certificate installed in for abc.com.

can you guide me how to resolve the issue

Regards

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About Exchange Attributes

September 22, 2019, 5:47 am
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hi,all

I'm a new guy for Exchange.Want to know what does the below Exchange Attributes means and what is use for?

msExchEWSApplicationAccessPolicy

msExchEWSWellknownApplicationPolicies

Thank you

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Pointing the MX record to Parent domain

September 22, 2019, 11:40 pm
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Is it possible to point the MX record to parent domain,Instead of creating a new MX record for its subdomain?
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M.E.S.C.T.GetItemRequest.GetProxyInfo 4999 Event IDs being thrown

September 23, 2019, 7:16 am
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Hey all,

we're running 2 Exchange 2013 CU22 servers in a DAG, virtualized in a VMware environment.  We recently experienced a cloud MTA outage (2-3 hours) that caused email to queue on the servers.  After the outage was resolved, email routes normally however I'm seeing an abundance of EventID 4999s on both Exchange servers.  I'm thinking the outage played a role but I'm not entirely sure how...   I've re-created the mail.queue database file on both Exchange servers per the thread below but that didn't seem to resolve it.  

https://community.spiceworks.com/topic/2167949-error-4999-on-exchange-2016-cu10

EventID:

Description:
Watson report about to be sent for process id: 11440, with parameters: E12, c-RTL-AMD64, 15.00.1473.003, w3wp#MSExchangeServicesAppPool, M.Exchange.Services, M.E.S.C.T.GetItemRequest.GetProxyInfo, System.InvalidOperationException, 668, 15.00.1473.003.
ErrorReportingEnabled: False 

I was thinking 'GetProxyInfo' ties into IIS on exchange attempting to use a proxy.  We have an internal proxy but we've exempted servers and AFAIK nothing's changed with that configuration, and I'm able to access the internet without issue from both Exchange VMs.  assistance welcome.

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Change Exchange 2010 IP Address (DAG, HUB, CAS)

September 16, 2019, 1:13 pm
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Hello everybody,

I currently have a environment with servers running under Exchange 2010 running in the same subnet A( let say 10.20.30.x/24)

There is

- 2 HUB Exchange servers

- 2 CAS Exchange Servers

- 3 MAILBOX Servers carrying a DAG

I must split half of the Exchange servers into a new subnet B ( 10.20.50.y/24), the other half staying in the current Subnet A.

What are the important things to consider before applying the IP changes, especially for the DAG Mailbox servers?

Thank you in advance

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Modern PublicFolder Migration Exchange 2013 to EXO Error 500

September 24, 2019, 1:33 am
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Hi all,

currently I am on the way to migrate my Exchange 2013 environment to EXO. All mailboxes are already in EXO. No problems came up during the migration period.

But now I need to move the PublicFolder to EXO. And the mess began.

I run the steps described here:

I am getting following error messages in my migration batch: 

MrsHttpInternalServerErrorException: The Mailbox Replication Service could not 
                    connect to the remote server because the remote server encountered an internal 
                    error. The call to 'https://externalurl/EWS/mrsproxy.svc servername.mydomain 
                    (15.0.1473.3 ServerCaps:, ProxyCaps:, MailboxCaps:, 
                    legacyCaps:0400001F7FFFFFCB07FFFF)' failed. Error details: The content type 
                    text/html of the response message does not match the content type of the binding 
                    (application/soap+xml; charset=utf-8). If using a custom encoder, be sure that 
                    the IsContentTypeSupported method is implemented properly. The first 1024 bytes 
                    of the response were: '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 
                    Transitional//EN"><HTML dir=ltr><HEAD><TITLE>The page cannot be displayed</TITLE><STYLE id=L_defaultr_1>A:link {
                        FONT: 8pt/11pt verdana; COLOR: #ff0000
                    }
                    A:visited {
                        FONT: 8pt/11pt verdana; COLOR: #4e4e4e
                    }</STYLE><META content=NOINDEX name=ROBOTS><META http-equiv=Content-Type content="text-html; charset=UTF-8"><META content="MSHTML 5.50.4522.1800" name=GENERATOR></HEAD><BODY bgColor=#ffffff><TABLE cellSpacing=5 cellPadding=3 width=410><TBODY><TR><TD id=L_defaultr_0 valign=middle align=left width=360><H1 id=L_defaultr_2 style="FONT: 13pt/15pt verdana; COLOR: #000000"><ID 
                    id=L_defaultr_3><!--Problem-->The page cannot be displayed</ID></H1></TD></TR><TR><TD width=400 colSpan=2><FONT id=L_defaultr_4
                          style="FONT: 8pt/11pt verdana; COLOR: #000000"><ID 
                    id=L_defaultr_5><B>Explanation: </B>There is a problem with the page you are 
                    trying to reach and it cannot be displayed.</ID></FONT></TD></TR><TR>
                       '. --> The remote server returned an error: (500) Internal Server Error.. -->
    • MRS checked, is set $true
    • checked the auth methods of EWS (set to Basic, Ntlm, WindowsIntegrated, WSSecurity, OAuth)
    • iisreset done
    • rebooted the whole exchange system

    And now I have no ideas what can I do next to find the wrong configuration.

    Any ideas, what can casuse the problem?

    Thanks

    Harald


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    Search

    Exchange DateBase on a nework drive

    November 1, 2017, 3:04 pm
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    Can we create an exchange database on a network share folder drive? Can we use Symbolic link to resolve it by using MKLINK utility?

    We don't want to build another Exchange server. It will cost more money. 

    Please let me know? Thanks

    Louis

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    recipient permission reverse lookup

    September 25, 2019, 7:47 am
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    Hi experts,

    I'd like to use an email address to find which recipient permission it has to one or serveral mailboxes. Or use user name.

    What I am thinking about is 

    get-mailbox -ResultSize Unlimited | Get-MailboxPermission -User Ken

    Get-mailbox -RecipientTypeDetails UserMailbox, SharedMailbox -ResultSize Unlimited | Get-MailboxPermission -User Kim

    But none of them seem to work or return anything. To be frank, I'm new to powershell scripts. Any help will be great.

    Thanks!

    Regards,

    Fhlip

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    Exchange 2003 relay mail using oauth2.0?

    September 25, 2019, 11:46 pm
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    We have been using a retired Exchange 2003 server to relay outgoing emails on behalf of a billing program, running on a Unix box, that cannot authenticate to Exchange online.

    I recently received an announcement that starting October 13 this year, oauth 2.0 will be necessary.

    Does anybody know if my version of Exchange Server is even capable of this?  If so, how do I configure it to use oauth 2.0?

    Thanks,

    Jeff

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    Exchange 2010 OWA

    September 26, 2019, 6:35 am
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    Getting below error msg

    Runtime Error

    Description: An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine.

    Details: To enable the details of this specific error message to be viewable on remote machines, please create a <customErrors> tag within a "web.config" configuration file located in the root directory of the current web application. This <customErrors> tag should then have its "mode" attribute set to "Off".
    <!-- Web.Config Configuration File --><configuration><system.web><customErrors mode="Off"/></system.web></configuration>

    Notes: The current error page you are seeing can be replaced by a custom error page by modifying the "defaultRedirect" attribute of the application's <customErrors> configuration tag to point to a custom error page URL.
    <!-- Web.Config Configuration File --><configuration><system.web><customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/></system.web></configuration>
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    Help recovering deleted email by date

    August 30, 2019, 1:27 pm
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    Hello All,

         We have a user who permanently deleted an email and wanted to recover it. I am trying to use Exchange Management Shell to restore the email. They know nothing about the email except it the day it was received into their Outlook mailbox. 

         Here is what I have done so far:

    1) Verified Discovery Mailbox: https://docs.microsoft.com/en-us/exchange/create-a-discovery-mailbox-exchange-2013-help

    Get-Mailbox -Resultsize unlimited -Filter {RecipientTypeDetails -eq "DiscoveryMailbox"}

    2) Add user's permission to the Discovery Mailbox: https://docs.microsoft.com/en-us/exchange/security-and-compliance/in-place-ediscovery/create-a-discovery-mailbox

    Add-MailboxPermission "Discovery Search mailbox" -User 'user name' -AccessRights FullAccess -InheritanceType all

    3) Search and retrieve the deleted email:

    Search-Mailbox "user name" -SearchQuery "received:'Mon 8/19/2019'" -TargetMailbox "Discovery Search Mailbox" -TargetFolder "Deleted Items" -LogLevel Full

      However when I run this I get this error:

    "WARNING: The Search-Mailbox cmdlet returns up to 10000 results per mailbox if a search query is specified. To return
    more than 10000 results, use the New-MailboxSearch cmdlet or the In-Place eDiscovery & Hold console in the Exchange
    Administration Center.
    The KQL parser threw an exception.
        + CategoryInfo          : InvalidArgument: (:) [], ParserException
        + FullyQualifiedErrorId : [Server='exchange server',RequestId=b6490c87-5110-471e-a3b8-e4d2e4bbcce0,TimeStamp=8/30/2019 8:21
       :43 PM] [FailureCategory=Cmdlet-ParserException] A8DB946C
        + PSComputerName        : 'exchange server name'  

    "

    Please advise

    thank you,

    Brian

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    import 50 k mail contacts

    September 13, 2019, 7:32 pm
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    We would like to import 50k contacts, will it be any impacts on ad replication , oab download?

    or any standard limit ? so we can limit the count into batches?

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    Need to import 11TB of Mbox files into Exchagnge Online Archive

    January 13, 2015, 2:16 pm
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    Looking for the easiest way to import a dump of our users GMail mailbox archives into the new Office 365 Exchange Online Archive mailboxes for the users.

    We have 11 TB of data and Google gave it to us in Mbox format.

    Any suggestions much appreciated.

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    some of the mails are not delivered

    September 26, 2019, 11:59 pm
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    Hi,

    we are having O365 and customer having Exchange server 2013, whenever we are sending mail some of the mails are delivered and some of the mails are not delivered. they are having TrendMicro IMSVA Scanner, they logged case with TrendMicro and they are stating some of the mails are not hitting the Trendmicro IMSVA. Please suggest where to troubleshoot.

    Regards,

    Mani

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    Using variables in new-addresslist -recipientfilter

    August 28, 2013, 12:18 pm
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    Hi everyone

    I have setup Exchange for using in multitenancy mode. Now I am trying to automate the creation of new tenants using a script.

    My Problem is the following command:
    New-AddressList -Name MyList -RecipientFilter {((CustomAttribute1 -eq $OU) -and (ObjectClass -eq 'User'))}

    Where $OU is a variable which contains the company name, but that doesn't work. I also tried '$OU' instead, no success.
    Is there a way to use variables within the -RecipientFilter?

    Regards
    Peter

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    Exchange Management Console Initialization Failed

    September 28, 2019, 5:21 am
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    We have installed Exchange Server 2010 and AD Directory (Server 2012 R2) on a single machine. Suddenly the exchange management console failed to initialize and giving below error. It is most probably after some recent changes with SPNs of exchange users. Please guide in this regards that what is way out to come out of this issue;

    

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    Conflicts with Trust Relationship And LAPS Problem

    September 28, 2019, 11:49 pm
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    hi ,i have a server with many clients , and i have LAPS installed on my server . so i don't have enable local administrators with known password on my clients . now i have a serious problem . when my clients loose their trust relationship (so they can not logon by any domain users), i cant use laps to reset administrator local password ,
    now how I can I logon the pc and join/disjoin to troubleshoot the problem?
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    Seems like I suffer from exchange database corruption

    September 29, 2019, 6:13 am
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    My Microsoft Exchange Information Store Service is unable to start which I suppose is corrupt.

    I am trying to handle this with Eseutil.

    What are your suggestions guys?

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