Outlook 2010 prompts for profile when 3rd party application tries to send mail

Hi,
I have been having an issue with Outlook 2010 and our in-house MIS system. The system uses Outlook to send mail out, and it works perfectly fine if Outlook is running at the time.
There is a problem though when Outlook is not running and the programs calls Outlook to send the mail, Outlook will display the "Choose Profile" dialog. Outlook basically launches in the background with the little gear icon in the system tray.
Is there any way to get rid of the select profile screen? Everything is already selected appropriately under Control Panel>Mail, Outlook does not prompt for profile when launched normally.
Thanks

It all depends on the code you are using to initiate Outlook.
It might be better to ask this in the developer forum down the hall:
http://social.msdn.microsoft.com/Forums/en-US/outlookdev/threads
Don't forget to post your sample code.
Robert Sparnaaij
[MVP-Outlook]
Outlook guides and more: HowTo-Outlook.com
Outlook Quick Tips: MSOutlook.info

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Outlook 2010 prompt for credential when connecting to Exchange 2013 mailbox

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Hi,
As far as I know, by default, shared mail folders not public folders are downloaded in Cached mode in Outlook 2010 and Outlook 2013:
http://support.microsoft.com/kb/982697/en-us
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Outlook 2010 prompting for password each login to Exchange 2013

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Hi
These settings can be found under your Outlook profile, "More Settings > Connection > Exchange Proxy Settings."
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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
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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
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Here is what I did.
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Some things unique to my situation that may or may not help.
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Internally installed Outlook 2010 prompts for password using external smtp email as user id

Hi,
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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.
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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.

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App tries to send mail via Thunderbird, "PostMail error# 2" is shown. All my collegues with the same installation do not have this problem. Thanks for your time

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Continue at your other thread.
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Getting Prompt for Credentials When Opening InfoPath 2010 Form in Sharepoint 2010

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Hi Titan, this sounds like an IE security setting issue. Things to do:
1. In Internet options>Security>Local Intranet, make sure "Enable Protected Mode" is not selected.
2. Under Sites>Advanced, add https://*.sharepoint.com (and make sure "Require server verification..." is not checked).
3. Under Security>Custom Level, scroll all the way to the bottom and make sure "Automatic logon with current user..." is checked.
cameron rautmann

Outlook Anywhere Prompts for Credentials only for Outlook 2010, not Outlook 2013

I'm having a heck of a time with this one. We have Exchange 2010 on premise, with our filtering through EOP. Clients that are using Outlook 2010 Professional Plus are continuously getting prompted for credentials when off network and relying
on Outlook Anywhere.
I've read many threads about configuring credential manager appropriately for the internal domain and our external domain. I can get them to authenticate just fine, and email flows, but they continue to be prompted everytime they connect again.
Here is the kicker: When I install Outlook 2013 on the same computer, outlook anywhere functions just fine, no problems, no authentication prompt.
Like I said I have read a plethera of articles and threads about this, I have gone through all settings on Exchange, our edge server, our firewall, our certificate. The MSSTD string matches our "Issued To" string. NTLM authentication
is configured on both the client and the server. Appropriate settings are configured on the firewalls.
Anyone know why Outlook 2010 would have this problem, but not Outlook 2013 on the same computer, same user, same mailbox database?
Thanks in advance!!!

I'd still Echo Ed's original question.
Do you have Outlook 2010 patched up? At this time you need to be on SP1, and SP2 by October the 14th.
Also I expect you to have a recent update ontop of that as well.
http://blogs.technet.com/b/rmilne/archive/2014/04/14/office-2010-sp2_1320_-do-you-need-to-upgrade_3f00_.aspx
Cheers,
Rhoderick
Microsoft Senior Exchange PFE
Blog:
http://blogs.technet.com/rmilne
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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.

SharePoint prompting for password when saving word document

Saving a word document back to SharePoint always prompts for credentials.
I am the administrator for a SharePoint farm. We have enabled kerberos, and added the portal to the intranet zone in Internet Explorer by group policy. Most of the time this limits the amount of password prompts our customers see (including viewing the portal
in a browser, and opening documents); however, we are still getting the prompt for credentials when trying to save a word document back to SharePoint.
Here are some details: - SharePoint 2010 - Word 2010 - Kerberos enabled - Portal added to intranet zone in IE - Checkbox for passing automatic credentials enabled
Can anyone help? Is there something I've missed? Is this prompt just unavoidable?

Hi,
Internet Explorer uses the Web Client service when you use Internet Explorer to access a
WebDAV resource. The Web Client Service uses Windows HTTP Services (WinHTTP) to perform the network I/O to the remote host. WinHTTP sends user credentials only in response to requests that occur on a local intranet site.
However, WinHTTP does not check the security zone
settings in Internet Explorer to determine whether a Web site is in a zone that lets credentials be sent automatically.
Click Start, type regedit in the Start Search box, and then press
ENTER.
Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters
On the Edit menu, point to New, and then click
Multi-String Value.
Type AuthForwardServerList, and then press ENTER.
On the Edit menu, click Modify.
In the Value data box, type the URL of the server that hosts the Web share, and then click
OK.
Note You can also type a list of URLs in the
Value data box. For more information, see the "Sample URL list" section in this article.
Exit Registry Editor.
After this registry entry is created, the WebClient service will read the entry value. If the client computer tries to access a URL that matches any of the expressions in the list, the user credential will be sent successfully to authenticate
the user, even if no proxy is configured.
Note You have to restart the WebClient service after you modify the registry.
Reference: http://support.microsoft.com/kb/943280?wa=wsignin1.0
-Ivan
Ivan Sanders My LinkedIn Profile,
My Blog,
@iasanders.

Micrsoft Outlook somtimes prompting for username and password

hello All ,
I Have Exchange 2010 sp3 installed two mailbox servers & two HUB & CAS Servers and Outlook sometimes prompting for username and password .
how can fix it .
Thank you

Hi,
Please check the following points:
1. Does the issue happen to your external users or internal users?
2. For all users or some specific users?
If the issue happens to internal users, please configure the authentication in Outlook Security tab with Negotiate Authentication to have a try.
Thanks,
Winnie Liang
TechNet Community Support

Outlook continually prompting for username and password

Good Day ,
I finished migration from exchange 2003 to exchange 2010 and all users are working fine but just few outlook user got problem prompte username and password . have an idea why ? I will be thankful if you can help me
Regards
e

Hey zikorai,
looking this url:
http://www.dslreports.com/forum/r24512375-Outlook-2007-Exchange-2010-prompting-for-usernamepassword
Please Mark This As Answer if it helps to solve the issue
Tzuri Ben Ezra | My Certifications:
CompTIA A+ ,Microsoft MCP, MCTS, MCSA, MCITP
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Adobe Reader 9.x does not retain preferences when called by a 3rd party application.

I have an in-house application that utilizes .pdf and .xfdf files. We use Adobe 9.x when viewing these files and when I open them natively from Windows explorer they Display In Browser and all my Trust Manager preferences are intact. If I use the 3rd party application to open the files they Display In Browser but none of my TrustManager settings are present and I am forced to trust the document each time I reopen Adobe. If I leave Adobe Reader open for the duration of the session that I am using my 3rd party application though the Trust Settings for the document I loaded are present but as soon as I close Adobe they are gone until I Trust the document when opening it again. Any insight as to why this might be and how I could rectify the issue would be appreciated.

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Crystal Reports prompting for creds when viewed from BO 4

The environment:
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This didn't fix the problem. SAP ECC reports in BOE still prompt for creds when viewed. SAP Authentication is verifiably working, but I'm not sure if SSO to DB is working. One thing I've noticed is that when I log in to BOE using SAP authentication and view the report, I'm not prompted for creds. In BOE I added my Windows AD acct as an alias in my SAP acct, but I may have either done this incorrectly, or there may be something I need to do in addition.
question 1: Is there an easy way to verify if SSO to DB is working correctly?
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Any help or suggestions are much appreciated.

Thanks, Ingo. Once I got snc configured, everything began working wonderfully.
I used this document as a guide:
https://websmp230.sap-ag.de/sap(bD1lbiZjPTAwMQ==)/bc/bsp/sno/ui_entry/entry.htm?param=69765F6D6F64653D3030312669765F7361706E6F7465735F6E756D6265723D3134343630363726

Outlook 2010 prompts for profile when 3rd party application tries to send mail

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