Office 365 Outlook prompts for password whenever outlook is restarted.

Hello Folks,
We have recently deployed Office 365 (We had Kerio email system previously, But we did not do a migration).
The problem is
Office 365 Outlook prompts for password whenever outlook is restarted
Tried the following workarounds,
1) Logon network security under More
Settings on the Microsoft Exchange Security tab
is set to a value other than Anonymous Authentication
2) Tried removing the Generic Credentials from Credential manager.
The is issue is only for some users (Majority).
(OS Platform: Windows 7/Windows 8).
Thanks in Advance
Murugupandian Pandi

The first thing I would recommend to do is to make sure that your install missing Outlook updates and try again.
I would also recommend asking them in this forum: https://social.technet.microsoft.com/Forums/en-US/home?forum=outlook
This posting is provided AS IS with no warranties or guarantees , and confers no rights.
Ahmed MALEK
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Outlook 2010 prompting for password

Hi everybody. I ran into an issue yesterday morning where at one of our sites Outlook 2010 has started prompting for a username and password. If the user types in their username as "MYDOMAIN\myuser" and their password, it lets them in but the Exchange
status shows as "Disconnected". If the user sets their username to just "myuser" without the domain on the front it lets them in and works as expected until they close Outlook, at which point they have to enter their credentials again.
The strangest thing about this is that it's only affecting one of our sites and only Outlook 2010. Users running 2007 and 2003 do not have the problem and only users at this physical location have the problem. Does anybody know where I can look? I have tried
clearing stored credentials, created new Outlook profiles and reset passwords. None of these things seem to have had any effect.

After changing a ton of outlook settings, deleting the user's account profile on outlook, deleting their domain profile from the effected computer, trying to fix the registry, deleting stored credentials, etc.... almost everything else I found something
that FINALLY worked for me after over a year and about 12 different users being effected.
in the past I would just give up after much frustration and upgrade them to Office 2013 but that gets very expensive especially when I have 57 other users that could potentially run into the same issue.
Here is what I did.
- back up the user's data. log out and log into local admin
- delete the user from the local registry
- repair Office 2010 through control panel/programs, restart
- have user log back in with their credentials to make new local profile. recover their backed up documents. log out and log back in as local admin.
- install hotfix KB2597011
- restart computer
- install hotfix KB2583935
-restart computer
- log in, open outlook and setup user's account.
Some of these steps may be skipped as I didn't find the hot-fixes until after I repaired office, however I am just providing what I did in the process to end up with a working outlook again.
Some things unique to my situation that may or may not help.
- I noticed some of the computers have Office2010 32bit installed on 64 bit machines.
- Some of the users were swapped over using a profile mover program when we moved to a domain environment.
- For me this always happens when the user's passwords expire and they have to log in to the portal to change it. Then outlook starts with the repeated prompt for passwords. It is always computer specific and nothing but what I provided above has worked
other than re installing windows 7 and then office or upgrading to office 2013.

Outlook prompting for password

User is promting for password in Enviroment Outlook 2010, Ex2013 , Windows7 .
User is accessing outlook through internet and VPN
to work around I have putted google DNS "8.8.8.8"on NIC card
Now user is able to access his outlook without any issue .
But I am sure when user will back to office he will face issue again as he his DNS will point to Google.
Publicly Autodiscover is publish on "RADIUS.HCL.com" as example
Localy "Outlook.HCL.com"
Here is my troubleshooting
So when I do nslookup to RADIUS.HCL.COM
it give wrong response radius.HCL.com.ad.hcl.com
Could you please help on this, I heard somebody its known issue with windows 7 . Any body have idea plz help

Hi,
Before going further, I would like to ask for some information:
Does this issue just occur on one user? If no, please switch to another PC to have a test.
Does Outlook work fine after closing the pop windows?
For troubleshooting, I recommend you to change method of authentication to Negotiate Authentication to have a try:
Open Control Panel, then choose Mail.
Click Email Account and then choose the account.
Click Change and then Click More Settings.
Choose Security tap and change the Logon network security to
Negotiate Authentication.
Unchecked the box that states Always prompt for login credentials.
Here is a thread for reference:
http://social.technet.microsoft.com/Forums/en-US/8137153c-abe1-4c33-aa44-e90cdd761e01/outlook-keeps-prompting-for-password?forum=exchange2010
If this issue persists, please let me know.

Why does Outlook keep prompting for password

We have seen our community members ask questions about Outlook keeps prompting for credentials many times. This issue could be caused by numerous reasons. Below is a list of the most common reasons for this problem:
Outlook is configured to prompt you for credentials
Incorrect password cached in credential storage
Required Authentication Settings for outgoing server and incoming server
Outlook Anywhere is not configured to use NTLM Authentication
Corrupt Outlook profile
Slow or unstable network connection
Antivirus programs
Shared calendars
Outlook is configured to prompt you for credentials
If you are using an Exchange account, there is a setting in your Outlook profile to always prompt for logon credentials. To find the setting, please follow:
1. In Outlook 213, go to File tab > Info >
Account Settings > Account Settings…
2. Highlight your Exchange account and click Change button.
3. Click on More Settings button.
4. Select the Security tab.
5. Under the User Identification, make sure the “Always prompt for logon credentials” option is not selected.
If you are using other types of email, please make sure you have ticked the option “Remember password”.
Incorrect credential cached in Credential Manager
Your Windows system stores user credentials on your computer. If the cached credentials are incorrect, you will be prompted for password. This issue usually happens after the password for your domain user account is changed. Before your password changed,
you saved your credentials. The stored credentials are not overwritten when Outlook triggers the authentication prompt even if you enable the Remember my credentials option.
To fix this issue, you need to remove the corrupted credentials, follow these steps:
Click Start, click Control Panel, and then click Credential Manager.
Note If View by is set to Category, click User Accounts first, and then click Credential Manager.
Locate the set of credentials that has Outlook in the name.
Click the name to expand the set of credentials, and then click Remove from Vault.
Repeat step 3 for any additional sets of credentials that have the word Outlook in the name.
Required Authentication Settings for outgoing server and incoming server
Different email provider may need different authentication settings. Please make sure you have set the server settings correctly. You can contact your email provider to gather the information.
In general, we select the “My outgoing server (SMTP) requires authentication” option and the first bullet “Use same settings as my incoming mail server”.
In addition, click on the Advanced tab and check if you have enter the correct Server Port Number and select the correct encrypt type. Below is a screenshot for an IMAP account:
Outlook Anywhere is not configured to use NTLM Authentication
The Outlook Anywhere feature allows you to access your Exchange account remotely from the Internet when you are working outside your organization's firewall.
When using Outlook Anywhere to connect to your Exchange server, we need to choose
the authentication method among Basic Authentication, NTLM Authentication and Negotiate Authentication. The difference among them is the way that the passwords are sent when connecting to the server. With Basic Authentication,
the password is sent in clear text. Using NTLM Authenticationcan significantly reduce the number of password prompts.
To check the authentication setting, please go to File > Account Settings > Account Settings,
select the Exchange account, and then click
Change. In the Change Account wizard, click
More Settings, and then click the Connection tab. Click the Exchange Proxy Settings button and now, you can see the settings under
Proxy authentication settings. Try to change the authentication to
NTLM Authentication and then check the issue again.
Slow or unstable network connection
If your network connection is slow or unstable, Outlook may lose connection to the mail server. When Outlook try to reconnect, it will prompt for the credentials. To verify this, please switch to a stable network environment and then check if this issue
persists.
Corrupt Outlook Profile
Corrupt profile may cause Outlook to no longer remember your password. Please try to create a new mail profile in Control Panel and reconfigure your email account in the new profile to fix the issue. To create a new mail profile, you can refer:
http://support.microsoft.com/kb/829918
Antivirus software
Antivirus software usually integrates into your Outlook and it may cause some conflicts. Try to temporarily turn off your antivirus software to check if the issue will be gone.
Shared Calendar
Shared calendars can impact the user credentials, this issue may also occur if you have shared calendars opened in Outlook. You can try to unselect the shared calendar to check the result. It’s recommended to not open the shared calendar unless you want
to view them.
If you have any comments, welcome to post in the forum. Thank you.
Please click to vote if the post helps you. This can be beneficial to other community members reading the thread.

Nope...
I went through point by point by point, top to bottom, checking and verifying every single item as a possible cause for why my system (Outlook 2013 running on Windows 8.1 and connecting to Exchange 2010) insists on prompting me for my password every single
time I start Outlook. None of the solutions worked, my system still prompts me. I don't even have to supply a password. When the prompt dialog appears, I just cancel it. Within a few seconds, the bottom Outlook status bar changes to
"Need Password" with a key icon to the left. Then I just click on that message and immediately Outlook connects to Exchange.
The freaking software is BROKEN! Period.

Outlook 2010 keeps prompting for password

Hi,
We use Exchange 2008 and Outlook 2010. For some reason, Outlook 2010 keeps prompting for password. My use entered the password and checked "Remember Password" box, but next morning when he logged in, he still got the prompt.
I removed the Outlook credential for Outlook listed under Password Credential in Control Panel, but still no help.
Please advise!
Thanks in advance!
Grace

Hi Grace
1. Open Outlook 2010. Click File>Account Settings>Account Settings.
2. Click the E-mail tab, click the Exchange Online mailbox, click Change…
3. Click More Settings…. Click the Security tab, make sure the Always prompt for logon credentials box is unchecked.
Please mark it answer if it helps you solving your problem
Amit Kotha

Internally installed Outlook 2010 prompts for password using external smtp email as user id

Hi,
After exchange 2007 to exchange 2013 migration all internally connected outlooks 2010 (xp, vista, win7, win8) prompt for password using external email user address as user id.
Below some of my settings and informations.
Internal domain: contoso.local
External domain: contoso.com
Exchange is NOT published to Internet at all.
Internally OWA, ECP runs OK.
Test-OutlookWebservices with user.name(at)contoso.local or contoso\user.name - runs OK
Test-OutlookWebservices with user.name(at)contoso.com - fails
Common scenario - (all happens internally):
1.User starts Outlook
2.Outlook prompts for password with default user.name(at)contoso.com as id
- while user tries to authenticate using his domain password - outlook re-prompts
- while user changes id from user.name(at)contoso.com to user.name(at)contoso.local or contoso\user.name and authenticates - Outlook connets to exchange and till next Outlook it runs ok.
I am bus with that issue since 1 week and I am already bit tired. I was looking for answer via gogle/bing and went through tons of "Outlook perpetually prompts for password" threads and blogs. No success.
Do you have any clue where else start to play with that?

Hi,
Thank you for answer - no luck
>NExt og to Connection tab - Exchange Proxy settings - Proxy authentication settings - is it set
>to NTLM or Basic?Give it a try on one of them.(if set to NTLM change to basic and vise versa).
On both settings the same results - Outlook is prompting for password.
>Another thing you could try is og to Internet Explorer - tool -internet options- Security - click local
>intranet - >custom Level and scroll Down to bottom and put check mark on automaticly logon
>With current username >and password.
>Do this on Trusted sites as well,if Your domain is listed under trusted sites
The same results - Outlook isprompting for password.
Should not be some kind of mapping set somehow in AD between user.name(at)contoso.com and user.name(at)contoso.local?
I have impresion that issue is somewhere in the fact that outlook is trying to connect using contoso.com instead of contoso.local in ntlm credentials.

Outlook 2007 Clients Prompt For Password When Opening

I am running Exchange 2007 Standard. New outlook 07 clients prompt for password each time it is opened. Older clients do not prompt for password. Is there any way for outlook 07 to not prompt for password? Users already logged into domain, should their credentials not be recognized automatically like with outlook 03?

This fixed it for me.
http://social.technet.microsoft.com/Forums/en-US/exchangesvrgeneral/thread/383d130e-869f-4fce-9502-8b340904b0ba/#636c5a5e-c61f-414b-8e85-562c888b83cc
Quote:
Same problem here after restarting SBS 2008 for upgrades (annoying login box popping up after starting Outlook and also other times).
This solved the problem for me:
IIS Mgr on SBS 2008 / - / SBS Web Applications /
- SSL Settings / Client certificates - Stop / Start web server after changing settings:
Autodiscover: Ignore
EWS: Ignore
OAB: Accept *)
owa: Accept *)
Rpc: Accept *)
RpcWithCert: Accept *)
*) All these have to be Accept to get rid of login box
Best regards
Bjorn
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Anyone help me to how to configure office 365 outlook on blackberry devices .
My customer is already using blackberry server for exchange 2007 .
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1. Remove the On Premises BB account
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Thx

Originally Posted by olidub
Hello everybody,
Some users are prompted for password on the device after the Post Office is restarted.
Killing the app "Mail" on the iDevice seems to resolve the problem. Do you have another solutions to avoid to kill the app.
Thx
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Hi there,
HAPPY NEW YEAR!
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We have a challenge which we would like to find a solution to.
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Office 365 Outlook prompts for password whenever outlook is restarted.

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