Exchange Server Failed

My organization's exchange server failed a couple of weeks ago. The symptoms were that the users were being prompted for password to access their outlook account and certificates errors. Also found that we were unable to access the EAC and powershell was
also not connecting to the exchange!! Since we have two domain controllers we have tried to install exchange on the other DC but this did not work as expected as still could not access the EAC. Now we are in the process of uninstalling exchange on both servers
to start form scratch, however on the first server would not complete the uninstallation as previously the ADSI edit was used to remove all components of exchange. That means that it still has the main services and components installed but does not see itself
as an exchange server.
Any ideas how to go around completely removing exchange from that server, as its not doing it in the usual uninstall programs manner.
OS- Windows Server 2012 R2
Exchange Server 2013
Note that I am not that IT savvy!!!

Similar Messages

Keep get messages: connection to exchange server failed

I am using exchange on my iphone 5s. I have used it untill this morning when i received a message: Cn't receive mail. connection to the server failed.
I still receive mail on my gmail so there is no problem of connection. I tried to erase and download the exchange, I tried to erase all the definitions on my iphone to factory definitions, nothing helps. I need the exchange very much because it is connected
with my work webmail so when I receive e-mails fro work on my mail, i can answer via exchange. I need the exchange very much. What can i do to fix it?
Please answe me with simple explanations because I qam not a computer expert.
I will appreciate very much any help in this matter.

Hi,
According to your description, your Exchange account cannot receive emails when it is configured on your phone. If I misunderstand your meaning, please feel free to let me know.
If yes, before we can go further, I'd like to recommend you try to configure your account on your Windows computer Outlook client.
Thanks,
Angela Shi
TechNet Community Support

Sync of reminders with Exchange server fails

I can't synchronize my OS X Reminders with my Exchange server. I get the following message in Calendar when syncing :
Calendar can't refresh reminders in the calendar "Tasks"
And in the OS X Console, I see these 2 messages (I guess the first one is the root cause of the issue, the second one is just a notification that the sync failed ):
02.03.14 14:24:31.810 CalendarAgent[210]: -[SOAPParser:0x7fd30899aae0 parser:didStartElement:namespaceURI:qualifiedName:attributes:] Type not found in EWSTaskRecurrenceType for WeeklyRegeneration (t:WeeklyRegeneration)
02.03.14 14:24:31.812 CalendarAgent[210]: [com.apple.calendar.store.log.exchange] [Exchange error Calendar can’t refresh reminders in the calendar “Tasks”. There was an error attempting to send your changes to the exchange server. (Error Domain=SOAPWebServicesErrorDomain Code=-997 "The operation couldn’t be completed. (SOAPWebServicesErrorDomain error -997.)")]
I have had this problem for a few months, and it still exists with 10.9.2 ; the sync used to work sometimes, but not anymore.
I guess the error comes from one reminder on the server which has complex recurrence rule.

Apple doesn’t routinely monitor the discussions. These are mostly user to user discussions.
Send Apple feedback. They won't answer, but at least will know there is a problem. If enough people send feedback, it may get the problem solved sooner.
Feedback
Or you can use your Apple ID to register with this site and go the Apple BugReporter. Supposedly you will get an answer if you submit feedback.
Feedback via Apple Developer

Calendar update in combination with exchange server fails from time to time

seems some calendar entries corrupt the system e.g. no more updating of server, no invitations forwarded, etc. But no obvious error message appears ? Only if you find the corrupt entry by chance and delete it, only then messages will be forwarded and entries updated on the server !?

Lots of discussion on this around the forums Mark. Short answer:
Deactivate/reactivate Calendar on iOS to "reset" the account sync with Exchange.
Find corrupted meetings that jinx iOS via CalCheck or other Exchange/Outlook scan tools
https://discussions.apple.com/thread/1918410?start=75&tstart=0
http://support.microsoft.com/kb/890436
http://blogs.technet.com/b/exchange/archive/2012/02/22/calcheck-the-outlook-cale ndar-checking-tool.aspx

Exchange server 2010 redundancy using static IPs in different sites

Dear All;
We are facing a problem in Exchange server 2010 which is that we need to provide redundancy for two different sites which contain the same exchange databases using DAG but the issue is that if the main exchange server fails, users from the internet will
not be able to access the server because the main static IP is in the main site ...
========================================
My question is how to provide redundancy using two Global IPs in two different sites, and is there any consequences of doing such a setup?
========================================

Hi,
From your description, I would like to clarify the following things:
1. It is recommended to configure the IP Configuration for both the MAPI and Replication NIC on DAG nodes.
2. A site failure is managed differently from the types of failures that can cause a server or database failover. A site failure is considered to be a disaster recovery event, recovery should be manually performed and completed for the client service to
be restored and for the outage to end.
For more information, here is an article for your reference.
Switchovers and Failovers
http://technet.microsoft.com/en-us/library/dd298067(v=exchg.141).aspx
Besides, what do you mean by "global IPs"?
Hope it helps.
Best regards,
Amy
Amy Wang
TechNet Community Support

Outlook 2007 on XPsp2 OEM unable to connect to Exchange Server 2003??

Hi
My outlook 2007 came part and package of the Microsoft Office 2007 Enterprise Edition, and our SBS server runs Exchange 2003.
After setting up the connection in Outlook to connect too Exchange (when clicking test (check name) on configuration it is successful) --
The Error Message is so upon start up :
Cannot Open your Default e-mail Folders, You must connect to microsoft exchange with the current user profile before you can synchronize your folders with your offline folder file..
When disabling the cached exchange mode the error message changes however, but it is still unable too actually open outlook.
Cannot open your default E-Mail Folders. The Attempt too log on to the exchange server failed... (after in the configuration the test suceeded.)
The computer has a fresh copy of XP SP2 OEM, as well as Microsoft Outlook, only other software on is SQL server 2000 (All microsoft Updates installed). The active user is domain controlled and has the same credentials as is used by Exchange.
After selecting the checkbox under Control Panel -> Mail -> ......... "User Identification" -> Always prompt for login credentials no change is made to this error....
I then disabled the use of offline folders..... "could not open your default email folders. The information store could not be opened"
Please provide assistance in any way possible.... ASAP as well if possible.
Thanks a lot
Marc

GedMarc,
I had all the same problems you had, and did the exact same things you did to no avail.
This is what solved my problem:
http://support.microsoft.com/kb/913843
1.
Click Start, click Run, type regedit in the Open box, and then click OK.
2.
Locate and then click the following subkey:
HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\RPC
3.
On the Edit menu, point to New, and then click DWORD Value.
4.
Type DefConnectOpts, and then press ENTER.
5.
Right-click DefConnectOpts, and then click Modify.
6.
In the Value data box, type 0, and then click OK.
7.
Exit Registry Editor.
Best regards,
T

"Connection to server failed" error with Gmail exchange server

Hi,
I upgraded my iPhone 4 to iOS 4.3 on Friday and now I can't access my Gmail account using the Microsoft Exchange settings, I just get a "Connection to server failed" error.
I also have a Google Apps email account for my website and I am able to access it using exchange... it's just my regular Gmail account that I can't access (and that's where all my contacts are stored).
I can access the account using the regular Gmail email settings but that doesn't sync my contacts over the air, which is the advantage of using Exchange that I love the most.
I don't know if it is related or not, but I had a really hard time upgrading to iOS 4.3. I guess the update file was corrupt and it put my phone into restore mode. I had to use a different computer for the upgrade to finally work. Because I was using a different computer I had to restore it as a new phone rather than restoring from a backup, so maybe that has something to do with my email problem.
Message was edited by: KJones75

I seem to have solved the problem. I deleted my Gmail account from the phone and then changed my Gmail password from my computer, and then tried adding the account to my phone again... and surprise, surprise, it worked.
I'm not sure why changing the password fixed the problem, but I'm glad it's working again.

Exchange Server 2013: Installation fails

Migrating SBS 2008 to Windows Server 2012 R2 (no virtualization) and Exchange Server 2013 SP1
(1) ADprep on SBS 2008 went fine
(2) Installed necessary feature for Exchange (website “Part 1: Step-by-Step Exchange 2007 to 2013 Migration”)
A) the first time I installed Exchange 2013, the setup succeeded, however there were several ecp/WinRM errors.
B) restored Windows Server 2012 R2 to the state (2). Removed from AD (ADSI Edit)
… CN=Services; CN=Exchange; CN=First Organization; CN=Exchange Administrator Group; CN=Servers
delete new Win 2012 server
Run Exchange setup again:
The following error was generated when "$error.Clear();
if ($RoleStartTransportService)
start-SetupService -ServiceName MSExchangeTransport -MaxWaitTimeForRunningState 0:0:40
" was run: "Service 'MSExchangeTransport' failed to reach status 'Running' on this server.".
Checked:
- IPv6 is enabled, but was setup correctly after installing ADDS role)
- Administrators (Group) is a member of the Exch. Trusted Subsystem
Probably there is an AD problem, after the restoration (B) (bare metal) of the Win 2012 server.
Please help!
Fulco

Hi
the error states that the MSExchangeTransport service failed to start. Can you manually try starting the service and then run the setup again?
Hope this helps. Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Exchange Server 2013 SP1 Standard: Installation failing can't progress

I'm trying to install Exchange Server 2013 and I keep getting this error and I am unable to progress, I can't find any support on the issue and frankly I don't want to/can't afford to spend $500 to ask Microsoft for technical support (what kind of racket
do they think they're running?).
The error message:
Error:
The following error was generated when "$error.Clear();
New-PushNotificationsVirtualDirectory -Role Mailbox -DomainController $RoleDomainController;
" was run: "The Active Directory object for virtual directory 'IIS://SVR02.OFFICE.local/W3SVC/24/ROOT/PushNotifications' on 'SVR02' could not be created. This might be because the object already exists in Active Directory. Remove the object from Active Directory, then re-create it.".
Yet, I see no PushNotifications virtual directory or anything remotely related to that on IIS or in the inetpub folders and files. If I try to resume the set-up after this error I get:
Error:
The following error was generated when "$error.Clear();
New-PushNotificationsVirtualDirectory -Role Mailbox -DomainController $RoleDomainController;
" was run: "The AD configuration for virtual directory 'PushNotifications' already exists in 'CN=PushNotifications (Exchange Back End),CN=HTTP,CN=Protocols,CN=SVR02,CN=Servers,CN=Exchange Administrative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=OFFICE,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=OFFICE,DC=local', please remove this AD configuration manually.
Parameter name: VirtualDirectoryName".
And I have to remove this config using ADSI Edit, which just returns me to the first error.

1. Prodution
2. Just 1 DC for 1 site.
3. Setup.EXE
4. Matches SP1 version numbers
5. That's just what was made available to me via MSPP, the installer doesn't see any updates?
6. Here is the log files:
[03/23/2015 22:06:52.0940] [1] Setup failed previously while performing the action Install. Looking for the failed task with ID ClientAccessComponent___75f8c93d15314369983d33ec0742e189.
[03/23/2015 22:06:52.0941] [1] 131 tasks were found to run.
[03/23/2015 22:06:52.0941] [1] Processing component 'Client Access Configuration' (Configuring Mailbox role: Client Access service.).
[03/23/2015 22:06:52.0941] [1] Executing:
New-PushNotificationsVirtualDirectory -Role Mailbox -DomainController $RoleDomainController;
[03/23/2015 22:06:52.0955] [2] Active Directory session settings for 'New-PushNotificationsVirtualDirectory' are: View Entire Forest: 'True', Configuration Domain Controller: 'SVR01.OFFICE.local', Preferred Global Catalog: 'SVR01.OFFICE.local', Preferred Domain Controllers: '{ SVR01.OFFICE.local }'
[03/23/2015 22:06:52.0956] [2] User specified parameters: -Role:'Mailbox' -DomainController:'SVR01.OFFICE.local'
[03/23/2015 22:06:52.0956] [2] Beginning processing New-PushNotificationsVirtualDirectory
[03/23/2015 22:06:52.0999] [2] Searching objects "SVR02.OFFICE.local" of type "Server" under the root "$null".
[03/23/2015 22:06:53.0066] [2] Previous operation run on domain controller 'SVR01.OFFICE.local'.
[03/23/2015 22:06:53.0068] [2] Processing object "SVR02\PushNotifications".
[03/23/2015 22:06:56.0763] [2] The properties changed on the object '' (CN=PushNotifications (Exchange Back End),CN=HTTP,CN=Protocols,CN=SVR02,CN=Servers,CN=Exchange Administrative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=OFFICE,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=OFFICE,DC=local) are: "{ MetabasePath[msExchMetabasePath]='IIS://SVR02.OFFICE.local/W3SVC/24/ROOT/PushNotifications', AuthenticationMethodFlags[msExchInternalAuthenticationMethods]='Ntlm, WindowsIntegrated', AuthenticationMethodFlags[msExchExternalAuthenticationMethods]='Ntlm, WindowsIntegrated', Id[distinguishedName]='SVR02\PushNotifications (Exchange Back End)', InternalAuthenticationMethods[msExchInternalAuthenticationMethods]={ 'Ntlm', 'WindowsIntegrated' }, ExternalAuthenticationMethods[msExchExternalAuthenticationMethods]={ 'Ntlm', 'WindowsIntegrated' }, OrganizationId[msExchOURoot, msExchCU]='' }".
[03/23/2015 22:06:56.0764] [2] Saving object "SVR02\PushNotifications (Exchange Back End)" of type "ADPushNotificationsVirtualDirectory" and state "New".
[03/23/2015 22:06:57.0073] [2] Previous operation run on domain controller 'SVR01.OFFICE.local'.
[03/23/2015 22:06:57.0587] [2] [ERROR] The Active Directory object for virtual directory 'IIS://SVR02.OFFICE.local/W3SVC/24/ROOT/PushNotifications' on 'SVR02' could not be created. This might be because the object already exists in Active Directory. Remove the object from Active Directory, then re-create it.
[03/23/2015 22:06:57.0591] [2] [ERROR] Filename: \\?\C:\Windows\system32\inetsrv\config\applicationHost.config
Line number: 630
Error: Can not log on locally to C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\PushNotifications as user OFFICE\Administrator with virtual directory password
[03/23/2015 22:06:58.0378] [2] [ERROR] The Active Directory object for virtual directory 'IIS://SVR02.OFFICE.local/W3SVC/24/ROOT/PushNotifications' on 'SVR02' could not be created. This might be because the object already exists in Active Directory. Remove the object from Active Directory, then re-create it.
[03/23/2015 22:06:58.0378] [2] [ERROR] Filename: \\?\C:\Windows\system32\inetsrv\config\applicationHost.config
Line number: 630
Error: Can not log on locally to C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\PushNotifications as user OFFICE\Administrator with virtual directory password
[03/23/2015 22:06:58.0386] [2] Ending processing New-PushNotificationsVirtualDirectory
[03/23/2015 22:06:58.0388] [1] The following 1 error(s) occurred during task execution:
[03/23/2015 22:06:58.0388] [1] 0. ErrorRecord: The Active Directory object for virtual directory 'IIS://SVR02.OFFICE.local/W3SVC/24/ROOT/PushNotifications' on 'SVR02' could not be created. This might be because the object already exists in Active Directory. Remove the object from Active Directory, then re-create it.
[03/23/2015 22:06:58.0389] [1] 0. ErrorRecord: System.InvalidOperationException: The Active Directory object for virtual directory 'IIS://SVR02.OFFICE.local/W3SVC/24/ROOT/PushNotifications' on 'SVR02' could not be created. This might be because the object already exists in Active Directory. Remove the object from Active Directory, then re-create it. ---> System.Runtime.InteropServices.COMException: Filename: \\?\C:\Windows\system32\inetsrv\config\applicationHost.config
Line number: 630
Error: Can not log on locally to C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\PushNotifications as user OFFICE\Administrator with virtual directory password
at Microsoft.Web.Administration.Interop.IAppHostAdminManager.GetAdminSection(String bstrSectionName, String bstrPath)
at Microsoft.Web.Administration.Configuration.GetSectionInternal(ConfigurationSection section, String sectionPath, String locationPath)
at Microsoft.Exchange.Management.SystemConfigurationTasks.ExchangeServiceVDirHelper.SetAuthModule(Boolean EnableModule, Boolean isChildVDirApplication, String moduleName, String moduleType, ExchangeVirtualDirectory advdir)
at Microsoft.Exchange.Management.SystemConfigurationTasks.ExchangeServiceVDirHelper.SetLiveIdBasicAuthModule(Boolean EnableModule, Boolean isChildVDirApplication, ADExchangeServiceVirtualDirectory advdir)
at Microsoft.Exchange.Management.SystemConfigurationTasks.NewExchangeServiceVirtualDirectory`1.InternalProcessComplete()
at Microsoft.Exchange.Management.SystemConfigurationTasks.NewPushNotificationsVirtualDirectory.InternalProcessComplete()
at Microsoft.Exchange.Management.SystemConfigurationTasks.NewExchangeVirtualDirectory`1.InternalProcessRecord()
--- End of inner exception stack trace ---
at Microsoft.Exchange.Configuration.Tasks.Task.WriteError(Exception exception, ErrorCategory category, Object target, Boolean reThrow, String helpUrl)
at Microsoft.Exchange.Configuration.Tasks.Task.WriteError(Exception exception, ErrorCategory category, Object target)
at Microsoft.Exchange.Management.SystemConfigurationTasks.NewExchangeVirtualDirectory`1.InternalProcessRecord()
at Microsoft.Exchange.Configuration.Tasks.Task.ProcessRecord()
[03/23/2015 22:06:58.0389] [1] [ERROR] The following error was generated when "$error.Clear();
New-PushNotificationsVirtualDirectory -Role Mailbox -DomainController $RoleDomainController;
" was run: "The Active Directory object for virtual directory 'IIS://SVR02.OFFICE.local/W3SVC/24/ROOT/PushNotifications' on 'SVR02' could not be created. This might be because the object already exists in Active Directory. Remove the object from Active Directory, then re-create it.".
[03/23/2015 22:06:58.0389] [1] [ERROR] The Active Directory object for virtual directory 'IIS://SVR02.OFFICE.local/W3SVC/24/ROOT/PushNotifications' on 'SVR02' could not be created. This might be because the object already exists in Active Directory. Remove the object from Active Directory, then re-create it.
[03/23/2015 22:06:58.0389] [1] [ERROR] Filename: \\?\C:\Windows\system32\inetsrv\config\applicationHost.config
Line number: 630
Error: Can not log on locally to C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\PushNotifications as user OFFICE\Administrator with virtual directory password
[03/23/2015 22:06:58.0390] [1] [ERROR-REFERENCE] Id=ClientAccessComponent___75f8c93d15314369983d33ec0742e189 Component=EXCHANGE14:\Current\Release\Shared\Datacenter\Setup
[03/23/2015 22:06:58.0390] [1] Setup is stopping now because of one or more critical errors.
[03/23/2015 22:06:58.0390] [1] Finished executing component tasks.
[03/23/2015 22:06:58.0406] [1] Ending processing Install-ClientAccessRole
It says it can not log on with the supplied details, but the account is an Administrator account with full privileges so I can't see why this would be the case.

Exchange server 2010 console not opening, inialization failed

hi,
exchange server 2010 console not opening, inialization failed when i have upgraded service pack to sp1.
please suggest asap or u can reach me @
[email protected]
[email protected]
+918750003544

Even I found the same issue once, and then I realised that the SP and RU should be same in exchange sever and the machine where the issue is.
Could you please check the same if that machine has the same Sp and RU, if not, please upgrade the same? I bet it will start working
Regards,
ASP20
Please take a moment to Vote as Helpful and/or Mark as Answer where applicable. Thanks.

Exchange server 2010 backup fails

My exchange server backup keep failing
the exchange server 2010 two node dag
netbackup 7.6
I have contacted Symantec support. They believed it's Exchange server problem as "Vssadin list writers"
show Microsoft Exchange writer Retryable error
Any help?

Hi,
Please try to restart Information Store service for testing.
Also try to refer following blogs:
Troubleshooting Exchange 2007 VSS Backups
http://blogs.technet.com/b/exchange/archive/2008/08/25/3406172.aspx
Exchange and VSS -- My Exchange writer is in a failed retryable state
http://blogs.technet.com/b/timmcmic/archive/2012/03/11/exchange-and-vss-my-exchange-writer-is-in-a-failed-retryable-state.aspx
Thanks
Mavis Huang
TechNet Community Support

Exchange upgrade failing on Pre-Req check with error that a server is running exchange 2000 or 2003.

I currently have an Exchange 2010 single server running in the domain.
I beleive it was migrated from a 2003 exchange years ago, and that has been re-purposed.
When want to migrate to exchange 2013 and install a DAG, but on the readiness checks, it fails on the new server saying one or more server in the existing orginisation are running exchange 2000 or exchange server 2003.
The link says how to uninstall exchange, but it is not there any longer to uninstall.
I have been looking for how to clean up AD, but not finding anything definitive as to what to delete to have the install succeed.

Hi,
Please run the following command to check the Exchange server in your organization:
Get-ExchangeServer
Check whether there is any legacy Exchange server listed. We can double confirm the Excahnge server in the following path:
1. In ADSI Edit, navigate to Configuration >
CN=Configuration,CN=<domain> > CN=Services >
CN=Microsoft Exchange > CN=<Exchange organization name> >
CN=Address Lists Container > CN=Recipient Update Services.
2. In the result pane, right-click Recipient Update Service (Enterprise Configuration), click
Delete, and then click Yes to confirm the deletion.
3. Uninstall Exchange 2003 by using Add or Remove Programs from
Control Panel.
If there is no Exchange 2003 in your organization, please collect any error logs in Event Viewer for further troubleshooting.
Regards,
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]
Winnie Liang
TechNet Community Support

HT2480 Ipad mini - exchange email stopped working randomly Error: "Cannot get mail. The connection to the server failed."

I got an iPad mini over Christmas and have had no issues setting up/managing my email until yesterday. I've had my Exchange email working for almost a month, and yesterday I stopped getting emails and getting the error: "Cannot Get Mail. The connection to the server failed."
I tried resetting the device (multiple times) and deleting and recreating the Exchange account (multiple times). This is getting annoying because it worked fine up until yesterday. I'm not aware of any updates to the device, or any changes that have occurred since yesterday.

Due to a screen issue, I had my iPhone 5 replaced two days ago. I repeated deleted the mail account and kept adding it but this did not make any difference. When I attempted to setup the new phone with my Google (Gmail via exchange active sync) accounts I was receiving this same "Cannot Get Mail" error. From what I was able to gather, this problem should be affecting Gmail accounts set up via Exchange. When originally purchasing the phone I was assisted and directed to set up my Gmail account through Exchange because it had the ability to use "ActiveSync" and push not only mail and calendars, but all of my contacts as well. I found this article regarding the subject.
http://www.pcmag.com/article2/0,2817,2413283,00.asp
What it came down to was having to delete my Gmail via Exchange account and separate it into two different accounts, a regular gmail account for my mail and a CardDAV account for my contacts.
Here is what I did. Google is changing their system and for new registrars Exchange ActiveSync will not work so you will be unable to register your account via Exchange and have your mail, calenders, and contacts all pushed together. I find this change really annoying. If you are having problems accessing your contacts after deleting the mail account, like I was, here is the work around.
To circumvent this issue go to Setting > Mail, Contacts, Calendars > Add Account > Other > Add CardDAV Account: Under server ender google.com, then your email user name and password, then click next to verify the information.
I hope this helps.

Exchange Server 2012 SP1 installation fails

I am not an expert in Exchange. I did set up and administer an Exchange server for a customer years ago, and I just persuaded another customer to purchase and install Exchange Server 2013 SP1.
I downloaded the ISO file and extracted it and then did the install. It told me some Hotfixes needed to be installed, so I installed all that were required. It's worth noting at this point that the link to the KB974405 was wrong and I had to search for the
hotfix. But eventually all prerequisites were installed and installation began. Apart from taking a long time, it appeared to work.
After installation completed I clicked to allow administration to open and I was unable to administer anything. The link to Exchange Administrative Center failed with a 404. I opened IIS and noticed that Exchange Back End was installed on port 444. Subsequently
I observed that the Exchange website appeared to be installed twice, once as Exchange Back End and once under Default Web Site. The first problem was a complaint that a module, which name now escapes me, but which was installed locally had been compiled with
a later version of .Net than the website is using. The website is using .Net 4.5.1. In case it matters I had installed Exchange with both the mailbox and client access roles.
After messing around with it for a long time and finding no relevant help on Google, I decided to uninstall and start over. The uninstalled failed because there are mailboxes. Heaven knows where the mailboxes came from since I had never managed to administer
Exchange. I attempted to use Get-Mailbox cmdlet but got a response the Get-Mailbox was an unknown cmdlet.
I am considering reverting the server back to a backup prior to the install and starting over, but I am not sure it would be any different the second time around. Does Microsoft have any suggestions. I suppose I could ask for a refund, but then I am left
with a dissatisfied customer.
Please help, I am desperate!

At the risk of stating the obvious, if I could recover the current installation, I wouldn't need to uninstall it. There was no prior Exchange Server on this computer or even in the domain. SO this was a clean install but I can't administer it.
If it helps at all, the module that it complained about was Microsoft.Exchange.OwaUrlModule. Is there any kind of "FixIt" uninstall - I don't it just deleting the database because there is nothing of use in it. Or can I manual delete it? Do you have
any clue why the Get-Maiolbox says it is an unknown cmdlet?

Issues trying to recover failed Exchange Server 2013 in a DAG

Having several issues attempting to recover a failed Exchange Server 2013. To start out, the failed server was mounted on a virtual server using hyper-v. The virtual server failed due to some hard drive partition issues and would no longer boot. As there
really was no purpose to having Exchange on a Virtual Server I decided to rename the host to the same name as the virtual server. I reset the name in AD and proceeded to rename the server. Then made sure all the necessary things were installed and proceeded
to do a recovery installation. I neglected to properly delete the old databases belonging to that server. I simply deleted the files off the hard drive instead of doing it properly. I should mention this is a two node plus witness server installation.Now,
it seems I cannot delete the former server in either ECP or command line. I have attempted to clean up the mess with the old databases but there is one that was mounted only on the failed server that I cannot remove. It seems until I can remove that, I cannot
remove the failed server from the DAG and do a recovery install. The steps shown in the tech net articles to remove a failed database have also failed. At this point I am wondering if I should just give up on the server name and do an install on a new server
name or if someone can give me some information on how to clean up the mess, that would be better I am sure. Here is a list of the things I have tried.
https://technet.microsoft.com/en-us/library/dd876880(v=exchg.150).aspx and in this article, the item mentioned is not in ADSIedit.
http://exchangeserverpro.com/unable-remove-failed-server-dag-exchange-server-2010/
http://exchangeserverpro.com/exchange-2013-how-to-remove-dag-member/ This
article describes one of the problems I am having but the solution is not there.
Thanks to any and all who can offer advice.
Ronald C. Pope

Thank you for your answer. Running that command results in the following:
[PS] C:\Windows\system32>Remove-MailboxDatabase "Mailbox Database 0939719168"
This mailbox database contains one or more mailboxes, mailbox plans, archive mailboxes, public folder mailboxes or
arbitration mailboxes. To get a list of all mailboxes in this database, run the command Get-Mailbox -Database"Mailbox Database 0939719168". To get a list of all mailbox plans in this database, run the command Get-MailboxPlan. To get a list of
archive mailboxes in this database, run the command Get-Mailbox -Database "Mailbox Database 0939719168" -Archive. To get a list of all
public folder mailboxes in this database, run the command Get-Mailbox -Database "Mailbox Database 0939719168" -PublicFolder. To get a
list of all arbitration mailboxes in this database, run the command Get-Mailbox -Database "Mailbox Database 0939719168" -Arbitration.
To disable a non-arbitration mailbox so that you can delete the mailbox database, run the command Disable-Mailbox
<Mailbox ID>. To disable an archive mailbox so you can delete the mailbox database, run the command Disable-Mailbox
<Mailbox ID> -Archive. To disable a public folder mailbox so that you can delete the mailbox database, run the command
Disable-Mailbox <Mailbox ID> -PublicFolder. Arbitration mailboxes should be moved to another server; to do this, run
the command New-MoveRequest <parameters>. If this is the last server in the organization, run the command
Disable-Mailbox <Mailbox ID> -Arbitration -DisableLastArbitrationMailboxAllowed to disable the arbitration mailbox.
Mailbox plans should be moved to another server; to do this, run the command Set-MailboxPlan <MailboxPlan ID>
-Database "Mailbox Database 0939719168".
    + CategoryInfo          : InvalidOperation: (Mailbox Database 0939719168:DatabaseIdParameter) [Remove-MailboxDatab
   ase], AssociatedUserMailboxExistException
    + FullyQualifiedErrorId : [Server=EX01,RequestId=69b60793-fc4f-4dac-beb9-8c9afe381a36,TimeStamp=1/26/2015 6:28:34
   PM] 2BA41E0C,Microsoft.Exchange.Management.SystemConfigurationTasks.RemoveMailboxDatabase
    + PSComputerName        : ex01.<domain>com
I was able to disable the one mailbox that was listed for the database. I got the following error when attempting the command Get-Mailbox -Database"Mailbox Database 0939719168"
[PS] C:\Windows\system32>Get-MailboxPlan Database "Mailbox Database 0939719168"
Get-MailboxPlan : The term 'Get-MailboxPlan' is not recognized as the name of a cmdlet, function, script file, or
operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try
again.
At line:1 char:1
+ Get-MailboxPlan Database "Mailbox Database 0939719168"
+ ~~~~~~~~~~~~~~~
    + CategoryInfo          : ObjectNotFound: (Get-MailboxPlan:String) [], CommandNotFoundException
    + FullyQualifiedErrorId : CommandNotFoundException
the public folder and archive switch simply return a command prompt leading me to believe that there are no public or archive boxes on that database.
Ron

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