Outlook 2013 asks for credentials connecting to Exchange 2010 multiple times

I'm having a problem with Outlook 2013 asking for my credentials a few times a day for no apparent reason. Some info on my setup...
CLIENT
Windows 7 Professional SP1 64 bit, fully patched
Office 2013 Pro Plus 32 bit, fully patched (has there even been any patches released yet?)
Outlook auto-configured to Exchange during setup.
Online Archive setup with server
Connected via gigabit ethernet on same network and domain as Exchange server.
SERVER
Exchange 2010 SP2, fully patched.
One server, holds all roles.
I have zero clue as to why I'm getting popped for credentials. This did not happen prior to my upgrade to Office 2013. I was previously using Office 2007 Pro Plus.
My credentials are always accepted, never a problem putting them in.
Thanks in advance!

I have been testing and testing also for days, then waiting for any responses to other people's questions on other places as well.
After some time started my own tries again.
Now I fixed my issue - don't fully comprehend it. But anyway here comes the solution that worked for me (and hopefully for more of y'all)...
Go to the Exchange account from within Outlook, click special settings, tab connection. Open up the button proxy settings, UNtick options 3 and 4 (connections with HTTP/then TCP/IP). Make sure to UNtick both.
Press OK, Hit Save and OK again. Press NEXT and close the screens.
Logout from Outlook. LOG OFF your RDP session if you're in one. Restart the RDP session after some 15 seconds. Or start Outlook if you were only in Outlook.
My issue was then solved.

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Outlook 2013 asks for credentials but does not connect for Exchange email, but only when out of office

Hi,
New employee wishes to use his Office 365. Have loaded onto new PC, connected to exchange, loaded his folders, everything is fine.
When he leaves the office and connects at home, he is asked for credentials.
I have tried the usual credentials: [email protected] and domain\user
With each attempt, Outlook displays disconnected
The password is correct, OWA he can log on fine, he has no problem when returning to the office. He has all the correct permissions in AD.
No other user has a problem when away from the office, but every other user is using Office 2010
Advice appreciated.

Hi,
Please make sure the user has enable Outlook Anywhere in Outlook.
To turn on Outlook Anywhere, on the Connection tab, under
Outlook Anywhere, check Connect to Microsoft Exchange using HTTP, and then click
Exchange Proxy Settings. Your Exchange admin must enable this feature and provide you the proxy settings. For more information, please refer:
http://office.microsoft.com/en-in/outlook-help/use-outlook-anywhere-to-connect-to-your-exchange-server-without-a-vpn-HP010355551.aspx
Best Regards,
Steve Fan
TechNet Community Support

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Exchange 2010 SP3 RU3
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I do see that SP3 RU4 has been released, however the only change listed is a security patch.
Thank you for any ideas.

Hi, Everyone –
This has been a known issue for a very long time – we have people at our workplace that are very disappointed since a feature as great as categorizing email (not using tasks) has become broken and has not even been considered to be fixed for
over half a year. It was not fixed in the updates for Patch Tuesday this week.
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The workaround of creating a rule to send new emails to a category could break other pre-existing rules and cause more frustration and wasted time for users/IT before and after the issue is fixed.
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Hi,
This has been discussed a lot inf forums but unfortunately having followed all the guides I have found, I can't resolve it. I am the only user with the issue.
I have primarily followed https://social.technet.microsoft.com/Forums/office/en-US/ee9e1b89-bea1-48aa-9008-cae205c5e816/forum-faq-why-cant-i-retrieve-freebusy-information?forum=outlook
including recreating my profile, installing http://support.microsoft.com/kb/2850061/en-us via
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I have the full version of Office 2013 Pro not the Click to Run version. It seems to be the Outlook client itself not the Exchange server. I am at a loss what to do next... please help! :)

Hi,
Please also enable Automatic Replies in Outlook, check if this feature works well.
Since the issue only occurs to one client and it works on OWA, I suggest you try these steps below to troubleshoot the issue:
1. Start Outlook in Safe Mode. It is always a helpful method to troubleshoot Outlook client issues, when in Safe Mode, Outlook doesn't load with add-ins, we can check if this issue persists when add-ins are disabled:
Press Win + R, type "outlook.exe /safe" in the blank box, press Enter.
If there's no issue in Safe Mode that you can find free/busy information again, disable the suspicious add-ins to verify which one caused the problem.
2. Perform a clean boot. This helps determine whether the issue is related to some background programs, any 3rd-party programs will be disabled. If the issue doesn't occur in Clean Boot, then we may suspect it's related to some 3rd-party programs, the detailed
steps can be found in this link below:
http://support.microsoft.com/kb/929135
Regards,
Melon Chen
TechNet Community Support
It's recommended to download and install
Configuration Analyzer Tool (OffCAT), which is developed by Microsoft Support teams. Once the tool is installed, you can run it at any time to scan for hundreds of known issues in Office
programs.

SBS2008 in combination with Outlook 2013 keeps asking for credentials

I've got a SBS 2008 server with windows 7 pro clients.
Some of them use outlook 2010 and some use 2013.
The users which use the 2013 version has a problem with saving of the credentials.
Every time they start outlook 2013 they will be asked for credentials and some of them 5 times before it starts.
The weird thing is: if you click ESC to close the screen that asks for the credentials, outlook still connects to the mailbox.
Is there someone who can tell me how to fix this problem.

Hi Willy-Billy,
Any update? Would you please let me know the current situation of this issue?
In addition, would you please let me confirm something more?
Please check if problematic user accounts access mailbox correctly via OWA.
If you create a new outlook profile for a problematic account, will encounter the same issue?
As mentioned in the link that Robert provided, please check if you enable
Always prompt for logon credentials setting in Outlook 2013.
If you enable this setting, please uncheck and monitor the result.
Meanwhile, please remove the old credential in
Credential Manager, then add again. Please check if this issue still persists.
Please run
SBS 2008 BPA to collect SBS configuration information and analysis. Then check if you can find some clues.
Windows SBS Best Practices Analyzer (BPA)
http://support.microsoft.com/kb/2673284
Hope this helps.
Best regards,
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Outlook 2013 ask credential for connecting to Exchange 2007

Hi,
i've a big problem into my business from about 2 weeks. We have deployed 5 new pc with Office 2013 Professional and Windows 7 professional, into our server we have exchange 2007 version 8.3 and build 83.6
Only for 1 client outlook works correctly but into other 4 client we have same problem. After open outlook 2013 is all ok and i see "connected to Microsoft Exchange" but after 2 minutes outlook always asks for password prompt. When i insert the
password the client request the same password into loop.
Despite asks for credential i receive correctly the emails.
From now i've tried this solution that i read online but none of these works correctly.
1- delete and create new outlook profile
2- I have changed the authentication to NTLM instead of Basic Authentication
3- Delete credential from Control Panel --> Credential Manager
4- Disable the setting "Always prompt for logon credentials"
5- try to change user password from owa
Other information:
User can access to owa and work correctly, autodiscover is running correctly because i setup the account with it.
I've tried to test outlook connection with press ctrl and left click into outlook taskbar.
Why outlook always ask me for credential? This is very frustrating because only 1 client works correcly.
I'm waiting for your kindly response.
Matteo

Hi Matteo,
What’s your Outlook connection status? Confirm your Protocol is RPC/TCP (internal) or RPC/HTTP (external)? Please try to configure your problematic account in the Outlook client which is the only one working correctly to check whether the issue persists.
If all other 4 accounts can work well in the “good” one client, please check whether there is any difference between the account settings in different PC.
Thanks,
Winnie Liang
TechNet Community Support

Outlook 2010 + Exchange 2010 keeps asking for credentials - Please Help!

Hello All,
Recently after a Windows Update + restart of my Exchange Server I'm having an issue with Outlook 2010 where it continually asks for credentials. Every 5 minutes or so the credentials popup appears and either typing your password or clicking cancel will make
Outlook work as expected again until the next popup, frequency of popups is about 2-5 minutes give or take. I am using Exchange 2010 on Server 2008 R2 and aside from the popup everything is working as expected. This seems to be effecting almost all users.
Some things I've tried already include:
- Removing any saved credentials on computer
- Removing and recreating Outlook Mail Profiles
- Running "Set-AutodiscoverVirtualDirectory -Identity 'autodiscover (default Web site)' -WindowsAuthentication $true -BasicAuthentication $false" in shell to disable basic authentication for autodiscover
- Running "get-outlookanyhwere | set-outlookanywhere -ClientAuthenticationMethod NTLM -IISAuthenticationMethods NTLM" in shell to ensure that outlook anywhere and IIS are using NTLM authentication
- Ensuring that the OAB folder permissions are set to allow Authenticated Users to Read/Execute
Anyways, if anybody has additional suggestions for me I'd very much appreciate them. Many users are using the Web App for the time being (with no issues) since the credentials popup is too annoying for them.

So I made sure that all of my authentication methods match the settings you linked me and then recycled the app pool you mentioned but am still having the issue.
One thing I noticed is that if a user experiencing the problem types their password into the credentials popup it will keep popping up continuously but if they hit cancel it says "Needs Password" where it would normally say "Connected to Microsoft Exchange"
and if they simply click once where it says "Needs Password" then all of a sudden it switches to "Connected to Microsoft Exchange" again and they no longer see the popup until Outlook is restarted.
Just to verify I have the proper settings now this is what shell returns:
[PS] C:\Windows\system32>Get-WebServicesVirtualDirectory | fl *auth*
CertificateAuthentication     :
InternalAuthenticationMethods : {Ntlm, WindowsIntegrated, WSSecurity}
ExternalAuthenticationMethods : {Ntlm, WindowsIntegrated, WSSecurity}
LiveIdSpNegoAuthentication    : False
WSSecurityAuthentication      : True
LiveIdBasicAuthentication     : False
BasicAuthentication           : False
DigestAuthentication          : False
WindowsAuthentication         : True
[PS] C:\Windows\system32>Get-AutodiscoverVirtualDirectory | fl *auth*
InternalAuthenticationMethods : {Basic, Ntlm, WindowsIntegrated, WSSecurity}
ExternalAuthenticationMethods : {Basic, Ntlm, WindowsIntegrated, WSSecurity}
LiveIdSpNegoAuthentication    : False
WSSecurityAuthentication      : True
LiveIdBasicAuthentication     : False
BasicAuthentication           : True
DigestAuthentication          : False
WindowsAuthentication         : True
Do you have any additional suggestions that I can try? From what I can tell my authentication methods all match the default settings now.
Edit: As soon as I changed EWA to just Basic Authentication as it says in the linked default settings I would get an error when trying to browse to the EWA that said "Outlook failed to initialize" and re-adding the Windows Authentication, then running iisreset
fixed the issue. Therefore EWA is the only service with non-default authentication methods now.

Outlook asks for credentials 2 times

Hello,
I'm in the middle of a transition from SBS 2011 to 2012 R2. Currently Exchange 2010 and 2013 co-exists. Every time I start Outlook (2013) it asks for credentials. If I use [email protected] format it does not accept. If I use domain\user format, I
have to enter it 2 or 3 times, then Outlook works fine.
OWA, AS, mail flow seems to be working.
What can cause the password prompt?
TIA

Try out the following fixes:
Try to recreate the outlook profiles. Also, Check "Credential Manager" in Control Panel to see if there are any old entries for Outlook.
Refer: http://myitforum.com/myitforumwp/2013/02/05/solution-outlook-200720102013365-prompts-me-for-credentials-each-time-i-open/
Change the authentication to NTLM instead of Basic Authentication and see if this makes a difference.
Uncheck the Exchange proxy settings
Uncheck the "Download shared folders"
File -> account settings ->account settings -> Edit.. (account) -> More settings... (button on the bottom) -> Advanced (tab) -> Un-tick "Download shared folders"

Outlook 2010 keeps asking for credentials

Hello,
We have a Exchange 2013 server with outlook 2010 clients wich constanly ask for credentials.
even with the option save credentials on.
The Exchange servers are hosted and the clients are not part of a domain and use Outlook Anywhere.
Outlook 2013 clients do not have this problem.
I tried several things:
-new profile
-rename ProtectSystemProider folder
- dword registry Savecredentials
- removed ProtectSystemProvider registry key
- Removed or edited credential manager accounts
We have this problem on serveral Windows 7 clients and Remote Desktop Server 2008 r2 sessions.
Hope anyone can help me.
gr
Cris

Hi Cris,
Please try to clean up the cached credential in your computer. Then fill in with the format of UPN when it prompted for credentials next time and check the Remember my credential to save it. About how to remove cached credentials, please follow these steps:
1. Launch the Credential Manager from Control Panel > All Control Panel Items > Credential Manager.
2. In the Generic Credentials section you’ll see a setting for [MS Outlook] which will include your SSO details. Click the downward-pointing arrow to the right of that value.
3. In the expand details, click Remove from vault. Then Outlook will no longer have a stored copy of your password.
Regards,
Winnie Liang
TechNet Community Support

Windows XP SP3 and Outlook 2010 can't connect with Exchange 2010 or Exchange 2013

XP+SP3+Outlook 2010 can't connect to Exchange 2010&2013 in the internal network without safe mode.

Hi,
Did you get any error messages?
Do you have Outlook Anywhere and autodiscovery set up properly?
Can you ping the Exchange server?
Please use Test Email AutoConfiguration
to test if the Autodiscover service is configured properly. See:
https://hosting.intermedia.net/support/kb/default.asp?id=2150
We can also use the remote connectivity analyzer to troubleshoot the issue:
https://testconnectivity.microsoft.com/
In addition, turn off your firewall and anti-virus to check the result.
Hope this helps.
Best Regards,
Steve Fan
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I'm new to Macs, and I'm trying to connect to my QNAP NAS from a Macbook Air on Yosemite.
The first time I tried to connect I used the 'Connect As' and entered a incorrect password. (I as did not add this to my KeyChain).
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Every time I attempt to connect now, it uses the incorrect password, how do I get the 'Connect As' to ask for credentials again?

If a system becomes unresponsive and does not allow you to login anymore then the problem might be due to a serious shortage of CPU, memory or disk resources. For a remote connection it cannot be said for sure because the problem can also be network or routing related. Try to login directly from the system console. If this is no longer possible, then the system "interrupt" or "reset" button is your best friend. When the system restarts, press any key to get into the grub menu and add the word "single" to the kernel parameter line in order to start the system in single user mode. Then analyze what the problem was.
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Microsoft Lync 2010 continuously asks for credentials after signing in

Hi,
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Hi,
The issue may occur if the Outlook integration is not correctly on this client after connecting through VPN. What is the
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Lync generally only prompts you for credentials after you are logged in when it must connect Lync to a linked service such as the Microsoft Exchange Free/Busy service or the Calendar service.
If Lync continues to ask for credentials after three separate dialog prompts, there is likely an issue with Outlook integration or with the Exchange services themselves. I suggest referring to the following information to check the issue.
http://support.microsoft.com/kb/2298541
http://support.microsoft.com/kb/2436962
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Lync 2010 client asks for credentials when outside of corporate network.

Hello,
We are running Lync 2010 Enterprise. Everytime our Lync users are outside of our network and they log in to their Lync client, they get a pop-up window asking for credentials. When they log into Lync inside our network the Lync client connects automatically
without asking for credentials. Is this normal behavior? I assumed that the Lync client would behave exactly no matter where they were connecting from. They are using Lync 2010 client on domain joined laptops, I would assume the Lync client would just use
the same credentials they used to log in to their computers and not ask for anything. Please let me know if there is a way to stop the pop-up from showing up when people try to connect to Lync from outside our network.
Thanks for any help!

Outside of the network the credential popup is for Exchange web services on the back end to check calendar info, contact lookup, etc. If Lync is already logged in when they see the popup, this is normal behavior.
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question please click "Mark As Answer".
SWC Unified Communications
This forum post is based upon my personal experience and does not necessarily reflect the opinion or view of Microsoft, its employees, or other MVPs.

Exchange 2013 CAS server connection to Exchange 2010 Mailbox server

Hi Guys,
I have a quick question i am planning to upgrade my infra from Exchange 2010 to Exchange 2013 and i have come across a small question, my infra looks likes below
3 Exchange server (CAS+ HT + MBX roles) Exchange 2010
1 Exchange server MBX role For journlaing Exchange 2010
1 CAS for internet owa access Exchange 2010
Now i will be installing exchange 2013 CAS on 2 box and MBX on 3 box
will decomm the 3 exchange box which has (CAS+ HT + MBX roles) and 1 CAS which we use for owa access.
will keep the Journaling server as it is will not be decomming it as of now.
My question is is will i be able to connect to the journaling mailbox's which are hosted on exchange 2010 journaling server without actually having any 2010 cas server, will exchange 2013 cas directly help me to connect to the journal mailbox or would i need
to add CAS role on Exchange 2010 journaling server and enable outlook anywhere configure the directories with the url's to make it working.
Please suggest on the same.
BR/Deepak

Hi TheLearner,
Thank you for your question.
Exchange 2013 didn’t connect to the journal mailbox directly when we access it by outlook/OWA. The journal mailbox will connect the former Exchange 2010 CAS. Or we could migrate Journaling mailbox to Exchange 2013. Because Exchange 2010 could communicate
with Exchange 2010 by RPC, but Exchange 2013 could communicate with Exchange 2013 by HTTPS.
If there are any questions regarding this issue, please be free to let me know.
Best Regard,
Jim
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]
Jim Xu
TechNet Community Support

Not being asked for credentials in SSRS 2008 R2 for Firefox and Safari

I have an instance of SSRS 2008 that is currently working on all browsers (the URL is something like reports.foo/reports).
I spun up a new instance of SSRS and placed it on the url report01.foo/reports. This new instance is connected to a different domain (I am spining up a Active Directory Domain and trying to build out our infrastructure, so the logins are different).
I am able to access the new URL (report01.foo/reports) from IE and Chrome. It is asking for the username/password and able to get on just fine.
However, when I try to go to the new URL (report01.foo/reports) using Safari and Firefox, it never asks for credentials and shows a blank page. This does not happen for the old URL (reports.foo/reports), only the new URL.
Any ideas?

Hi Ben,
Per my understanding that you have configured windows authentication and which by default will not prompt for credential. So I assumed you have changed the User Authentication setting in the security setting to pop up for credential, for example like below(IE),
If so, your issue about the pop up credetial not pop up in Firefox and Safari can be caused by the related security setting, If you give Anonymous User rights, you may got the blank page:
Details information about similar issue in threads below for your reference:
how to change reporting service site seurity setting?
SSRS in firefox not asking for credentials
If you still have any problem, please feel free to ask.
Regards,
Vicky Liu
If you have any feedback on our support, please click
here.
Vicky Liu
TechNet Community Support

Outlook 2013 asks for credentials connecting to Exchange 2010 multiple times

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