Exchange 2013 - Client Access Servers - Disk Space C:\ Running Low Space

Currently having an issue with both of our client access servers with exchange 2013.
The issue is that the C:\ drive will run low on disk space on one of the cas server and the other one will be fine. We have cleaned up all the logs etc to free space on the cas server that is running low on space but its not sufficient enough
as it keeps on running low on space, then what we do the free up the space is to reboot the cas server that runs low on space, and it free the space up after it has been restarted, then the other cas server starts running low on space.
has anyone seen this before?

Hi,
If it is possible, I suggest re-installing Exchange Server on another path instead of C:\.
Thanks
Mavis
Mavis Huang
TechNet Community Support

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Exchange 2013 - Client Access - Wrong Servername

Hi,
i have 4 exchange servers running, 2x Client Access, 2x MAilbox with DAG.
i configured the external URL on all virtual directories and outlook anywhere to cas.contoso.com
the internal url is cas01.contoso.com and cas02.contoso.com.
All Clients connect from outside the company, so the internal url doesn't matter.
When i client connects from outside, it's very slow. I saw on the firewall, that outlook is trying to connect to cas01 or cas02.contoso.com and then gives up and go to cas.contoso.com which is right.
how can i check, why outlook is trying to access the servers instead of the alias cas.contoso.com ?
cas.contoso.com points to KEMP Load balancers which distribute the load to the two Client access servers.

hi,
we have no internal traffic, all clients connects from external sources.
anyway, i changed all URL's to the external URL now, for OWA, ECP, EWS and Outlook Anywhere.
I created a new outlook profile and it still tries the internal URL first.
BTW: the internal URL is also a public IP address but firewalled POrt 443, only the cas.contoso.com IP is open on 443.
So the internal Hostnames are DNS resolvable on the internet? If so, that is not what you want to do. Make only the external Host name resolvable.
Twitter!:
Please Note: My Posts are provided “AS IS” without warranty of any kind, either expressed or implied.
Well, the hole system is resolvable on the Internet, i can switch them to https://localhost/...
but in my case, i switched everything from cas01 or cas02 to cas and outlook still shows up with
cas01.contoso.com connecting....
cas.contoso.com conneted...
where does this client get cas01.contoso.com from ?!

Exchange Web Services are not currently available for this request because none of the Client Access Servers in the destination site could process the request.

Hi,
I am using EWS Java APIs and passing OAuth tokens to fetch data from office 365 mailboxes.
Because I am developing Web APIs I preferred using "Application Permissions" defined in Azure active directory application for Office 365, and used "client credential flow" OAuth flow to fetch OAuth token specific to application which will
allow "Have full access via EWS to all mailboxes in the organisation".
After fetching token with the procedure specified in the document "http://blogs.msdn.com/b/exchangedev/archive/2015/01/21/building-demon-or-service-apps-with-office-365-mail-calendar-and-contacts-apis-oauth2-client-credential-flow.aspx"
I passed this token to EWS Java APIs,
it gave me error saying:
microsoft.exchange.webservices.data.ServiceResponseException: Exchange Web Services are not currently available for this request because none of the Client Access Servers in the destination site could process the request.
I tried similar thing with EWS managed APIs for .net. Got similar error.
Can anyone provide some help and direction to resolve this error.
Thanks & Best Regards,
Pranjal

I see you found an answer with the X-AnchorMailbox header on StackOverflow:
http://stackoverflow.com/questions/29554724/exchange-web-services-are-not-currently-available-for-this-request-because-none

No new mail notification in Outlook - CAS Exchange RPC Client Access problem

Hi, we're facing this problem:
Users start complaining they suddenly don’t receive new mail notifications in Outlook (2010/2013) anymore
Inbox does not show the new mail either
When the user changes folders in outlook, the new mail does show in the Inbox folder
Restarting Outlook shows the new mail as well.
The same new e-mail arrives instantly (with notifications) in Owa and on mobile devices
Sometimes the new mail notification pops up after a longer period of time (from 30 seconds to 10 minutes). But more often not at all.
This issue seems to occur at random. We’ve been problem free for a week, and sometimes it comes back three times a day.
Clients running Outlook 2010, 2013 cached or online, on site and off site. So it seems server related, not client.
It was seen first around January 8th. We did not make any changes around that time that we can link to this problem.
Only one CAS server (EXCH1-RTD) shows this issue. CAS servers on other sites are ok
EXCH1-RTD has CAS and HUB transport roles. The same site has two mailbox only servers. EXCH2-RTD (mailbox server for normal mailboxes). And EXCH3-RTD (mailbox server for archive mailboxes)
No entries in the event logs that seems to be related
As the problem only occurs with Outlook clients, I suspected RPC issues. We cannot gracefully stop the “Microsoft Exchange RPC Client Access” service on EXCH1-RTD while the issue occurs. We
can only kill the process and restart the service, solving the issue instantly.
What we’ve tried until now:
Updated all Exchange servers from Exchange 2010 SP3 RU6 to RU8-v2 (server OS=W2K8R2)
Updated all Exchange servers to latest critical Windows updates
Recalculated requirements using MS Sizing tool. Upgraded EXCH1-RTD VM from 8GB and 2 vCPU (1 core/cpu) to 16GB
and 4vCPU (1 core/cpu)
Ran various perfmon counters and compared them with other Exchange servers, not finding any obvious anomalies.
Any ideas would be greatly appreciated!
Ron

Hi Ron,
From your description, OWA works well, the issue is related to Outlook side. In your case, I recommend you use Outlook safe mode to determine whether the issue is related to add-ins. If the issue persists, you can create a new profile to check the result.
Hope this can be helpful to you.
Best regards,
Amy Wang
TechNet Community Support

Microsoft Exchange RPC Client Access will not start.

A few days ago all my outlook clients were disconnected. Looking into it and the Microsoft Exchange RPC Client Access service had died. Tried several restarts of the system but the service will not go into a running state. It always says
Starting. But it is actually terminating and restarting. In the system log get Event 7031 - "The Microsoft Exchange RPC Client Access service terminated unexpectedly. It has done this 1 time(s). The following corrective action will be
taken in 5000 milliseconds: Restart the service." I can't find anything else on the error in any log file. Some other info not sure if this related or not. The contentIndex are corrupt and will not rebuild. Get a state of "Failed"
with an error message of "The database has been dismounted." Also at time the system is very sluggish. Mostly right after a reboot for an hour or two. Details about the system are; Running Exchange 2013 SP1 on server 2012 R2. All
roles on one machine. About 20 mailboxes. Database is about 40gig. No VM, just a normal server. plenty of diskspace, memory and CPU. The system has been running fine for about a year. Also, mobile devices and OWA work fine. Mail flow
is fine. Outlook just can't connect.
Tried restoring the databases and logs from before the problem started but that did not help.
Not sure what to try from here.
Thanks

Hi,
Please check whether an unavailable Public Folder database is pointed to in your Exchange 2013 mailbox database as the default public folder database setting.
If there is no legacy public folder database and you are working in a pure Exchange 2013 environment, please remove the default public folder database setting on each Exchange 2013 Mailbox database that points to the deleted public folder database object
in ADSI Edit:
1. Open ADSIEdit, Connect to the Configuration container.
2. Expand Configuration, expand CN=Configuration,DC=Domain,DC=com.
3. Expand CN=Services -> CN=Microsoft Exchange -> CN=Domain -> CN=Administrative Groups -> CN=Exchange Administrative Group -> CN=Databases.
4. In the right hand pane you will see a list of databases. Right-click the listed database object -> Properties.
5. Check whether the msExchHomePublicMDB value is set to an unavailable value. If you see reference to the old database, please clear the value.
6. Click OK.
7. Check the rest of the databases to make sure that they are not populated in the same way.
For more information about this, please refer to:
http://support2.microsoft.com/kb/2962915/en-us
Regards,
Winnie Liang
TechNet Community Support

Outlook Web Access is currently unavailable. If the problem continues, contact technical support for your organization and tell them the following: No Client Access servers of the appropriate version can be accessed from the Internet

Good Morning,
We are getting this error
Outlook Web Access is currently unavailable. If the problem continues, contact technical support for your organization and tell them the following: No Client Access servers
of the appropriate version can be accessed from the Internet
We installed a new Exchange 2007 CAS on Windows 2008R2. Got rid of old CAS on Exchange 2007. Now seeing this error. Does anyone have an idea??

Hi,
If the issue persists, I recommend you install Exchange 2007 SP3 RU7 and check the result. Also, ensure that Exchange 2010 SP2 RU1 or later version is installed. Old Exchange version may lead to the CAS-to-CAS proxy incompatibility.
What's more, here are some helpful blogs for your reference.
Exchange 2010 SP2 RU1 and CAS-to-CAS Proxy Incompatibility
http://blogs.technet.com/b/exchange/archive/2012/02/17/exchange-2010-sp2-ru1-and-cas-to-cas-proxy-incompatibility.aspx
OWA Coexistence With Legacy Versions
http://blogs.technet.com/b/sjimmie/archive/2010/07/09/owa-coexistence-with-legacy-versions.aspx
Hope this can be helpful to you.
Best regards,
Amy Wang
TechNet Community Support

Exchange 2010 MP : Some Client Access test cmdlets failed to run

Hi all,
This error is triggered in SCOM 2012 R2 about a single Exchange 2010 SP3 server :
Exchange 2010 MP : Some Client Access test cmdlets failed to run.
When I dig into the error context, I can see it's about the cmdlet "Test-CalendarConnectivity -TestType:External".
The TechNet
https://technet.microsoft.com/en-us/library/hh377605(v=exchg.140).aspx proposes to verify that the URL for the external virtual directory can be accessed by running the Test-OwaConnectivity.
OK.
But what sould I specify for the parameter -MailBoxCredential required for Test-OwaConnectivity -URL my_url -MailBoxCredential ?
Thank you.
Have a good day.
FXE

Hi,
Under Administration, run as configuration, profiles, you can check Default action account.
Local system is the account account for agents by default, you can change to use another account.
Regards,
Yan Li
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

Performance counters for exchange 2013 mailbox & cas servers?

what are the Performance counters for exchange 2013 mailbox & cas servers?
similar to rpc request for troubleshooting exchange slowness, I haven't found any technet article for exchange 2013.

Hi,
Please see this:
Ask the Perf Guy: Sizing Exchange 2013 Deployments
http://blogs.technet.com/b/exchange/archive/2013/05/06/ask-the-perf-guy-sizing-exchange-2013-deployments.aspx
Hope it is what you need.
Thanks
Mavis
Mavis Huang
TechNet Community Support

Scripts for checking Windows Production Servers Disk Space

Hi Friends,
I am looking for some simple scripts (DOS Based or which can be run in restrictive env)by which I can get the Servers Disk Space statistics when I run it from my local machine. My L1 team members are responsible for verifying Disk Space primarily C and D:
everyday and they send status of the same by logging onto each and every servers. If I can get some simple scripts which can be run easily, that would be really helpful.
Thanx in Advance.
Keep Rocking :)
Saurabh

Hi,
You may want to check this script out from the TechNet Gallery.
http://gallery.technet.microsoft.com/PowerShell-Script-to-fa8305ea
Cheers.
Please remember to mark the replies as answers if they help and unmark them if they provide no help.
Milton Goh
MCSE, MCSA, MCITP, MOF, ITIL, AIIM SharePoint Specialist
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Exchange 2013, clients prompting for password

Exchange 2013 SP1 on Server 2012 R2 both fully patched. Exchange 2013 is a single server will all roles installed. There is also an Exchange 2007 (fully pathed) as we are in the process of migrating the users.
Setup legay.company.com points to Exchange 2007 and mail.company.com point to Exchange 2013
Security on Exchange 2013 set to NTLM for External and Internal.
Mobile access works for user on Exchange 2013 and Exchange 2007
Client with Mailbox's on Exchange 2013 using Outlook 2010 - 2013 internally and externally getting prompted for username and password.
Clients with Mailbox's on Exchange 2007 ok.
Checked IIS, autodiscover, EWS and Kernal mode is set.
Nothing showing in the Event Logs.

Hi Skynite,
I have met this issue before, I recommend you try the following method and check the result:
In this situation, you must set LmCompatibilityLevel on the client to a value of 2. To do this, follow these steps.
Click Start, click Run, type
regedit in the Open box, and then press ENTER.<u5:p></u5:p>
Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\
In the pane on the right side, double-click lmcompatibilitylevel.<u5:p></u5:p>
In the Value data box, type a value of 2 and then click
OK.<u5:p></u5:p>
Exit Registry Editor.<u5:p></u5:p>
Restart your computer.<u5:p></u5:p>
More details about this Key, please refer to the following link:
http://technet.microsoft.com/en-us/library/cc960646.aspx
Best regards,
Niko Cheng
TechNet Community Support

Exchange Crawl Error referring to disk space

We have a number of Exchange 5.5 crawls that have started to fall over. I think the problem also manifests itself in the Adminin tool when I try to ammend any of the crawls concerned as I get a SOAP error displayed.
When I look in PTSPY I see the following error which I think is related:
[TRACE, PID 3668, TID 3228, 11:08:45 in PLUMTREE.DLL] CPTTempfile::Create, File 'C:\TEMP\JLD_e54_1\pt4ef_6942.err' does not already exist, try to create it.[TRACE, PID 3668, TID 3228, 11:08:45 in PLUMTREE.DLL] CPTTempfile::Create, since CreateFile succeeded, setting bFileReady to TRUE.[TRACE, PID 3668, TID 3228, 11:08:45 in PLUMTREE.DLL] CPTTempfile::Create, CreateFile succeeded, file handle closed.[ERROR, PID 3668, TID 3228, 11:08:45 in XUICLIENT.DLL] *** SOAP Server Error: saving response to file: C:\TEMP\JLD_e54_1\pt4ef_6942.err[TRACE, PID 3668, TID 3228, 11:08:45 in XUICLIENT.DLL] The SOAP Connection has recieved an HTTP error while executing during connection attempt 1 of method urn:plumtree-com:DocumentProvider.Initialize!. The code returned was 500.[TRACE, PID 3668, TID 3228, 11:08:45 in WEBDOWNLOADERPARALLEL.DLL] deleting pHTTPRequest[ERROR, PID 3668, TID 3228, 11:08:45 in XUICLIENT.DLL] *** COM exception: IDispatch error #19880 (0x80044fa8): [The SOAP Connection stopped executing method urn:plumtree-com:DocumentProvider.Initialize after 1 attempt(s). Last error: The SOAP Connection has recieved an HTTP error while executing during conne[ERROR, PID 3668, TID 3228, 11:08:45 in XUICLIENT.DLL] ction attempt 1 of method urn:plumtree-com:DocumentProvider.Initialize!. The code returned was 500.] (324,I:\Released Code\4.5ws\TopLevel\ProductCode\Utility\XUIClient\Connection.cpp)[ERROR, PID 3668, TID 3228, 11:08:45 in SOAPPROVIDER.DLL] *** COM exception: IDispatch error #19880 (0x80044fa8): [The SOAP Connection stopped executing method urn:plumtree-com:DocumentProvider.Initialize after 1 attempt(s). Last error: The SOAP Connection has recieved an HTTP error while executing during conne[ERROR, PID 3668, TID 3228, 11:08:45 in SOAPPROVIDER.DLL] ction attempt 1 of method urn:plumtree-com:DocumentProvider.Initialize!. The code returned was 500.] (648,I:\Released Code\4.5ws\TopLevel\ProductCode\Extensibility\Accessors-Providers\SOAPProvider\PTSOAPProvider.cpp)[ERROR, PID 3668, TID 3228, 11:08:45 in PLUMTREE.DLL] *** COM exception: IDispatch error #19880 (0x80044fa8): [The SOAP Connection stopped executing method urn:plumtree-com:DocumentProvider.Initialize after 1 attempt(s). Last error: The SOAP Connection has recieved an HTTP error while executing during conne.
When I look in the .err file it refers to 'Not enough storage is available to complete this operation'. Can anybody confirm what my problem might be and where it might be looking for disk space.
Ross EllardDevonport Management Limited

I would recommend opening a ticket for support. Also, for clarity, the discussions in the deployment center are designed for deployed products; this discussion should be reserved for folks developing searches and crawlers.
Out of resources may be referring to memory as well. You may want to have perfmon run to see how available memory resources are. But I would definately open a support ticket.

Exchange 2007 Client Access and Receive Connector options not available (EMC)

We have a SBS2008 server with Exchange 2007
When I open the EMC and go to Server Configuration --> Client Access, none off the options are available (greyed out). OAW, OWA, ActiveSync are working without any problems. Outlook anywhere enabled shows False,when I try to reanable it I get the following
error message:
Summary: 1 item(s). 0 succeeded, 1 failed.
Elapsed time: 00:00:01
SERVERNAME
Failed
Error:
The Active Directory object for virtual directory 'IIS://SERVERNAME.domainname.local/W3SVC/3/ROOT/Rpc' on 'SERVERNAME' 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.
Unexpected Error
Warning:
Outlook Anywhere will be enabled on your Client Access server after a configuration period of approximately fifteen minutes. To verify that Outlook Anywhere has been enabled, check the application event log on server SERVERNAME.
Exchange Management Shell command attempted:
enable-OutlookAnywhere -Server 'SERVERNAME' -ExternalHostname 'mail.domainname.net' -DefaultAuthenticationMethod 'Basic' -SSLOffloading $false
Elapsed Time: 00:00:01
Also the receive connectors are not visible from EMC, it's just blank under receive connectors, but mails are received without any problems.
Does someone know a way to resolve this?

That worked!
I created a new account and placed it into the Exchange Organization Administrators role, now I'm able to see all the options normally.
I also re-added the original account to the EOA role but I still don't see the options there. When I go to Organization Configuration I also get the following error message:
You do not have permissions to read the security descriptors on CN=servername,CN=Server......DC=domainname, DC=local. It was running command 'get-ExchangeAdministrator'
So it must be a permissions issue. The strange thing is that under Exchange Administrators I can see my account and it has the role Exchange Organization Administrators.

Does increasing Exchange Storgage Quota use more disk space immediately?

Exchange does not use the space immediately, it just allows each mailbox to grow up to that size.
I would consider carefully before increasing the quota limit. One of the reasons for having a quota is to keep mailboxes to a manageable size. Every GB of size costs a heck of a lot more than just the GB on the spindle.

Hi
The current policy is a 20Gb limit. Thanks to a post I made in this forum, I know that 21 of the users are nearing this limit.
Now I can increase the limit for those 21. Or I can change the policy to 25Gb for everyone. If I increase it to 25Gb for everyone, does Exchange use the disk space immediately? Lets say I had 1000 Gb free, and 150 users. Does increasing by 5Gb mean that 5x150 = 750Gb is now allocated? Or does exchange use the disk space as required?
Thanks
This topic first appeared in the Spiceworks Community

EXCHANGE SERVER 2013 CLIENT ACCESS ROLE BASED QUESTION

In my environment,i have to install two CAS in two different host machines and mailbox server on a different host machine.can it be possible?if possible then please tell me the procedure how can these communicate with each other?and is this a cas array?please
help me,i am confused.
trainee

Yes you can always go ahead and do this . Having 2 cas and one mailbox is not going to harm in anyways but one cas can handle all the connections as far as you have less number of users and you can have equal number of mailbox servers as well so that
you can manage the DB's btw 2 mbx servers by setting up DAG.
Please mark as helpful if you find my contribution useful or as an answer if it does answer your question.That
will encourage me - and others - to take time out to help you.
Regards,
Sathish

Exchange 2013 DAG / client access

Hello
I'm in the planning of a new Exchange 2013 infrastructure. The infrastructure will be located in a datacenter and should host about 1000 mailboxes. I have read many whitepapers and tutorials, but some things are still unclear to me.
- Microsoft suggests multi-role servers for this amount of users because client access is no more than a reverse proxy in EX2013. Is this correct? I've read that one users with 200 mails/day needs 8.5 MCycles with only DB and 10.63 MCycles with DB and CAS
on the same server. So I plan to start with 2 multi-role servers in a DAG. What's your oppinion on this?
- Client connections: I assume the clients connect to the cluster IP of the DAG. How do they get directed to the server on which their database is online? Does each server need to have the cluster IP and a public IP to which the clients connect?
- SMTP: As I understand the documentation, mails are sent from the server which the user is active on. (Which makes sense for high availability.) What is best practice regarding the protocol logs? Do the support employees need to search in the files on 2
servers?
Thank you very much for your input!

Hi
I would use the firewall for load balancing unless there is a technical reason why this is not possible. NLB is not recommended as it is not service aware - you cannot configure a probe to test OWA is working for example - so if you already have something
better that would be my choice.
In the choice between IIS ARR and NLB or CAS and NLB I would go for IIS ARR as this reduces you license costs, but neither of these is better than the appliance/firewall option.
I've never used NLB for load balancing other than on TMGs so I cannot say what the performance is like behind a firewall, in theory your assumption would be correct.
The load balancer doesn't make this decision it just spreads the load between the active servers, the CAS role connects the use session to the correct mailbox server:
http://blogs.technet.com/b/exchange/archive/2013/01/25/exchange-2013-client-access-server-role.aspx
Steve

Exchange 2013 - Client Access Servers - Disk Space C:\ Running Low Space

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