Exchange 2010 no back pressure event in Event Logs

Recently I had an issue on my Exchange 2010 CAS server.
I was able to send internal mails and I could send external mail but EOP was not able to send External Inbound mail to my on site servers. A message trace on the Exchange online side yielded no error... Just showed the emails delivery as "Pending".
No errors on my on-prim mailbox server or CAS servers.
After a few hours of working on this with the Office 365 team thinking it was on their side we noticed that the CAS server had roughly 3.75 Gigs of free space. I cleared out some logs and mail once again started flowing.
My question is why didn't I get the back pressure warnings in the event logs. I looked at my config file and I do see that resource monitoring is set to true. So I'm a bit confused... I do remember getting these warnings on Exchange 2007 but I didn't get
one on 2010 in this case. Would have saved me a lot of time and stress.
Cheers
RS

Hi,
Do you mean there is no event log for your back pressure in Exchange 2010?
Please double check whether there is any Event 1500X log for MSExchangeTransport Resource Manager. We can refer to the following article to check the
Back pressure configuration options in EdgeTransport.exe.config file (The file default location is C:\Program Files\Microsoft\Exchange Server\V14\Bin directory):
http://technet.microsoft.com/en-us/library/bb201658(v=exchg.141).aspx
If there is still no logs for back pressure, please set the event log level to High to have a try:
Set-EventLogLevel -Identity "MSExchangeTransport\ResourceManager" -Level High
Regards,
Winnie Liang
TechNet Community Support

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Check out the Set-RemoteDomain -NDREnabled parameter.
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I have a user whos iCal is not syncing with Exchange 2010. When creating a new event, it gives the message "iCal can't save the event "xxxx" to the Exchange server. The account "xxxx" currently can't be modified. To discard your changes and continue using the version of your calendars that's on the server, click Revert to Server. To save your changes on your computer until the problem is resolved, click Go Offline."
The user is on a 2011 13" Macbook Air, 1.86 GHz Core 2 Duo. Snow Leopard 10.6.7, iCal 4.0.4. Mail and Address Book sync fine. The calendar works fine from the users iPhone, Outlook Web Access, and Outlook 2011 on the computer.
I have tried deleting the account, deleting all caches, and recreating it, but it still doesn't work. I made sure Tasks weren't the problem, and checked time zone support as well.
I set up the exchange account on my Macbook and it works fine, no problems syncing over wired or wireless connections. Macbook is also on 10.6.7, iCal 4.0.4. So I was thinking it was a user account issue. I created a new account on the Macbook Air, set up the exchange account in iCal, and I get the same problem as on the original account, no syncing.. I have everything set up exactly the same as on my Macbook, but the Macbook Air refuses to sync. This error only appears when an event created on the Macbook Air is in the calendar. It pulls events from the server fine, but once an event is created it refuses to cooperate.
Do Macbook Airs just not play nice with Exchange?

It's a time zone issue. checkhttps://discussions.apple.com/message/10108361#10108361

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Hi ,
We are facing issues in our Exchange 2010 reports where Reports are coming blank. We had an DWH aggregation issue in the past with the Exchange dataset. With the help of Microsoft we had caught up the aggregation manually. Post that the Exchange reports are
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First go to the event viewer, Application, Operations Manager and look if errors related to the Exchange Reports are raised. Verify that you enable rules.
For empty Exchange 2010 Server Statistics/Mailflow Reports
http://blogs.technet.com/b/emreguclu/archive/2011/09/26/empty-exchange-2010-server-statistics-mailflow-reports-if-default-log-directory-has-changed.aspx
http://www.dario.co.il/?p=968
Also you can check below link for blank reports
http://support.microsoft.com/kb/2573329
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hello,
i have an issue in my SCOM 2012 report.when i go to
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Hi,
Blank reports can be a common issue with System Center Operations Manager. These are caused by many different reasons, and for the focus of this article we will discuss the following:
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http://zoomindia111.wordpress.com/configure-exchange-2010-sp1-management-pack-in-scom-2007-r2/
http://blogs.technet.com/b/emreguclu/archive/2011/09/26/empty-exchange-2010-server-statistics-mailflow-reports-if-default-log-directory-has-changed.aspx
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Hello all,
yesterday evening we had a back pressure event in which the 'Version Buckets' HIGH threshold was violated and the mail flow ceased for about 15'. Trying to better understand why this happened we discovered that around that time the eventid 15004 was logged,
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The resource pressure increased from Normal to Medium.
The following resources are under pressure:
Version buckets = 177 [Medium] [Normal=80 Medium=120 High=200]
Physical memory load = 87% [limit is 94% to start dehydrating messages.]
The following components are disabled due to back pressure:
Inbound mail submission from the Internet
Mail submission from Pickup directory
Mail submission from Replay directory
Mail delivery to remote domains
Content aggregation
Mail resubmission from the Message Resubmission component.
Mail resubmission from the Shadow Redundancy Component
The following resources are in normal state:
Queue database and disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\mail.que") = 52% [Normal] [Normal=95% Medium=97% High=99%]
Queue database logging disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\") = 55% [Normal] [Normal=95% Medium=97% High=99%]
Private bytes = 3% [Normal] [Normal=71% Medium=73% High=75%]
Submission Queue = 0 [Normal] [Normal=2000 Medium=4000 High=10000]
Temporary Storage disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Temp") = 55% [Normal] [Normal=95% Medium=97% High=99%]
The resource pressure increased from Medium to High.
The following resources are under pressure:
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Physical memory load = 87% [limit is 94% to start dehydrating messages.]
The following components are disabled due to back pressure:
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Mail submission from Replay directory
Mail submission from Mailbox server
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Queue database and disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\mail.que") = 52% [Normal] [Normal=95% Medium=97% High=99%]
Queue database logging disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Queue\") = 55% [Normal] [Normal=95% Medium=97% High=99%]
Private bytes = 3% [Normal] [Normal=71% Medium=73% High=75%]
Submission Queue = 0 [Normal] [Normal=2000 Medium=4000 High=10000]
Temporary Storage disk space ("C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\data\Temp") = 55% [Normal] [Normal=95% Medium=97% High=99%]
And finally this:
The SMTP availability of the Receive connector Default was low (98 percent) in the last 15 minutes.
** Did a Get-eventlog for 15004 and this has never happened before in the past.
Thank you in advance.

Hi Jsof,
According to your description, I recommend you use tracking log to find out why the large message reached your exchange transport circuit. It appears to be the root cause of back pressure event.
The following article for your reference to understand message tracking:
https://technet.microsoft.com/en-us/library/bb124375(v=exchg.150).aspx
Best 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]
Niko Cheng
TechNet Community Support

Event IDs 136 and 137 0x80000000000000 in System Log on Windows 2008 R2 Server, Exchange 2010 in Cluster

Hi,
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reset. The data contains the error code.
and
The default transaction resource manager on volume OS encountered a non-retryable error and could not start. The data contains the error code.
XML Output as follows:
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
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<Provider Name="Ntfs" />
<EventID Qualifiers="32772">136</EventID>
<Level>3</Level>
<Task>2</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated
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<EventRecordID>315532</EventRecordID>
<Channel>System</Channel>
<Computer>server.domain.com</Computer>
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<Data />
<Data>C:</Data>
<Binary>1C00040002003000020000008800048000000000060019C000000000000000000000000000000000060019C0</Binary>
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</Event>
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="Ntfs" />
<EventID Qualifiers="49156">137</EventID>
<Level>2</Level>
<Task>2</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated
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<EventRecordID>315531</EventRecordID>
<Channel>System</Channel>
<Computer>server.domain.com</Computer>
<Security />
</System>
- <EventData>
<Data />
<Data>OS</Data>
<Binary>1C0004000200300002000000890004C000000000020100C000000000000000000000000000000000020100C0</Binary>
</EventData>
</Event>
When I attempt to start the services - I get the following errors:
The Net.Pipe Listener Adapter service depends on the Windows Process Activation Service service which failed to start because of the following error:
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The Net.Pipe Listener Adapter service depends on the Windows Process Activation Service service which failed to start because of the following error:
Transaction support within the specified resource manager is not started or was shut down due to an error.
I have tried the "fsutil resource setautoreset true" fix without success.
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Thanks!

We can close this question.
From an elevated prompt, I ran 'fsutil resource setautoreset true' and attempted to remove the files with .blf and regtrans-ms file extensions from C:\Windows\System32\config\TxR. but these files were locked by system processes. (They are also
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How can I display my MS Outlook/Exchange 2010 Calendar events on my web application's calendar?

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to display the calendar in an iframe; I need to have access to the actual event data so I can include other UI elements that I need for my application.) Thanks
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Hi,
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Mac Office 2011 Calendar Events Moving on Exchange 2010

Hello,
I manage a domain environment that is fairly small. It has Server 2008, Outlook Exchange 2010, consisting of two domain controllers and a hand full of other Server2008 servers. All of these are virtualized on VMware ESXi and running off of a SAN as well.
So that should give you a little idea of our configuration. The key issue that has been driving many people insane and I can't seem to find a resolution to is that Mac user's are having their Exchange calendar entries move. PC users are not having this happen.
I have instructed the users to be very careful about appropriate time zones when creating the events, permissions to not let anyone else edit them. This is still occurring and I can't seem to find an answer online as to why. All of the VM's clocks are good.
The end user clocks are set accordingly and I even began setting them static to where we are located. We have tried dissassociating the user's with this issue from their iPhone's thinking that maybe the phone was editing it some how through iCloud syncing
etc. None of this has worked. Any other ideas or solutions would greatly be appreciated.
Thanks.

Hi,
This forum focuses on questions and feedback for Windows-based Microsoft Office client. Since your query is directly related to Office for mac, I would suggest you to post in the forum of
Office for Mac, where you can get more experienced responses:
http://answers.microsoft.com/en-us/mac/forum/macoffice2011?tab=Threads
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- Sivashankar. Please mark as answer/useful if my contribution is helpful

Hi Siva,
We could execute the command below to view Administrator Audit Logging settings:
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http://technet.microsoft.com/en-us/library/dd335109(v=exchg.141).aspx
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ICal repeating events become invisible if using Exchange 2010

I recently upgraded from Exchange 2007 server to Exchange 2010.
I had PREVIOUSLY been impressed by well iCal under Snow Leopard worked with Exchange Server. Everything was great. But, after upgrading to Exch 2010, many of my repeating calendar items became invisible in iCal.
I did some searching on the Internet, and found I am not alone. My service provider support desk was also able to reproduce on their end.
Steps:
Connect to an Exchange 2010 account using Snow Leopard iCal.
RESULT: All repeating calendar with end dates will be missing.
Workaround: Remove the end date, or use a fixed number of repetitions rather than and end date.
Another Workaround: Get Entourage to sync to Exchange, then get Entourage to sync with iCal. OK, but there seems to be some bugs there too where things don't always sync right.
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Message was edited by: davidlbangs

It's a time zone issue. checkhttps://discussions.apple.com/message/10108361#10108361

How to reset logs on Exchange 2010 after Event 518 stops backups from completing?

I'm only able to find references to resetting logs Exchange 2000 and 2003. I'm looking for info for Exchange 2010.
There appears to be some kind of corrupt logs issue with one of our mailbox databases. The corrupt logs cause the full backup to fail and because the full backup fails, the logs just get worse and keep growing.
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its still same for 2010
Stop all the databases in the storage group.
Verify the state of each database file in the particular storage group. For information about how to verify the state of each database file, see the "Database states" section.
Perform one of the following actions:
If one or more of the databases are in a Dirty Shutdown or Inconsistent state, determine which transaction log files can be removed without affecting database consistency.
For more information, see the "Log files" section.
If all the databases are in a Clean Shutdown or Consistent state, you may remove all the transaction log files except for the current transaction log file. Removing the
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Copy all the transaction log files that you want to remove to a different location before you permanently remove them from the transaction log hard disk. Do not permanently delete the transaction log files until you have
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Hi,
At this moment our backups does not work. We have two error on the event viewer;
Exchange 2010 sp3 version 14.03.0158.001
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Event id 401;
Instance 1: The physical consistency check has completed, but one or more errors were detected. The consistency check has terminated with error code of -106 (0xffffff96).
Event id 403;
Instance 1: The physical consistency check successfully validated 629126 out of 1110272 pages of database '\\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy33\exchangedb\global\global.edb'. Because some database pages were either not validated or failed validation,
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Hi Javier,
From your error description, I recommend you do the following steps for troubleshooting:
1. Please run CHKDSK and restart server.
2. Run a Database level Mailbox repair request.
What's more, here are some useful threads for your reference.
Create a Mailbox Repair Request
http://technet.microsoft.com/en-us/library/ff625221(v=exchg.141).aspx
Database Backup Failing with Event ID 2007, 9782, 401, 403, 254
http://social.technet.microsoft.com/Forums/en-US/4c8eccbf-435a-43ef-b3f6-0de5096413ee/database-backup-failing-with-event-id-2007-9782-401-403-254?forum=exchangesvravailabilityandisasterrecoverylegacy
Hope it helps.
If you need further assistance, please feel free to let me know.
Best regards,
Amy
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
Thanks for helping make community forums a great place.

Exchange 2010 no back pressure event in Event Logs

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