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How to prevent Outlook asking for credentials exchange every time?

Have you been asked for exchange credentials when opening Microsoft Outlook? If yes, you may notice the Windows Security dialog box pops up when Outlook launching every time. See screen shot below. Normally you can fix this problem with checking the Remember my credentials after entering your credentials, and click the OK button.

However, in some special cases, it asks for exchange credentials every time when launching Microsoft Outlook, but there is no option of Remember my credential at all in the popping up Windows Security dialog box. (See the following screen shot.) In this article, I will guide you to fix this problem and prevent Microsoft Outlook from asking for exchange credentials with configuring Account Settings quickly.

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To prevent Microsoft Outlook from asking for exchange credential each time when starting, you need to change some exchange settings in the Account Settings. Please do as following:

Step 1: Open the Account Settings dialog box:

  1. In Outlook 2007, please click the Tools > Account Settings;
  2. In Outlook 2010 and 2013, please click the File > Info > Account Settings > Account Settings.

Step 2: In the Account Settings dialog box,

  1. Go to the E-mail tab;
  2. Click to highlight the exchange account that asks for logon credentials every time when opening Microsoft Outlook;
  3. Click the Change button.

Step 3: In the new dialog box of Change Account, please click the More Settings button.

Step 4: In the popping up Microsoft Exchange dialog box,

  1. Go to the Security tab;
  2. Uncheck the option of Always prompt for logon credentials;
  3. Click the OK button.

Step 5: Now you get back to the Change Account dialog box, please click the Next button and Finish button successively.

Step 6: Click the Close button to exit the Account Settings dialog box.

After configuring the security settings of specified exchange account, it won’t pop up dialog box and asking for exchange credential when opening Microsoft Outlook any longer.


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Comments (41)
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This comment was minimized by the moderator on the site
For non-experienced user

Close down outlook completely

1
Control Panel > (view by icons, not categories) > mail > Show Profiles > Add > (call it whatever you like) > change the dropdown to the new one you just created
This will recreate the profile settings and you will need to re-add your mailboxes

2
C:\users\(you username)\appdata(this is hidden so make sure you can see hidden files - google guides available for this)local\microsoft\outlook
eg
C:\users\BEN\appdata\local\microsoft\outlook
This file, rename it to "Outlookold"
(this backs up the file so we can get it back by changing the name back to "Outlook" if need be - if the fix works, delete this to save yourself some space after you're done)



3
NOW, this is the first time you should be trying to open outlook - it will take a while but should load up after recreating the configuration folder and the configuring your account - then just re-add your mailbox(es).




For experienced users
*insert disclaimer about being careful with RegEdit*

reg delete "\\%asset%\HKEY_USERS\%SID%\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook"



For super users

*insert disclaimer about being careful with RegEdit*
HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Profiles
locate the mail profile that's active
go to 9375CFF0413111d3b88a00104b2a6676
Find which one has the affected mailbox in "Account Name"
Note the "Service UID" - go to the binary value in the "Profile" key that we're in
in here, find the REG_BINARY for "01023d0d" and make a note of the binary - go to the binary value in the "Profile" key that we're in
Right Click > New > Binary Value

Name = 00036619
Value = 01 f0 00 80
This comment was minimized by the moderator on the site
my box is NOT checked. This is not the solution.
This comment was minimized by the moderator on the site
My laptop running Windows 8.1 and using MS Outlook 2013 has all those setting correct ie as you described them but still I getting this annoying Windows Security popup that requires me to enter password everytime I start MS Outlook. What could be another problem for this occurence.
This comment was minimized by the moderator on the site
M$ is a sack of poo. I can't believe nobody has come up with a professional mail, calendar and contacts package to rival this sack of horse sh*t. The button was already unchecked so this did not help with a recurring problem.
This comment was minimized by the moderator on the site
To me was necessary one step more:
Change the option "logon network security" to "password authentication" instead "negotiate authentication" on Exchange settings window.
This comment was minimized by the moderator on the site
How to access outlook if I forgot my credentials (Windows Security)?
This comment was minimized by the moderator on the site
Hayley... so you ticked it and THAT solved the problem, really? That doesn't make sense.
This comment was minimized by the moderator on the site
The option to click on or off to always prompt for logon credentials is grayed out and I can't select it.
This comment was minimized by the moderator on the site
so , I went in and my ' always prompt ' was also not ticked. I ticked it and it has fixed the problem.
This comment was minimized by the moderator on the site
I worked through all of these steps above, but got to the last step and the box "Always prompt for logon credentials" was already unchecked. The problem is still there.
This comment was minimized by the moderator on the site
I have the same problem.

Did you ever get yours fixed. IF so what did you do?
This comment was minimized by the moderator on the site
You need to go to Control Panel > Users > Manage Your Credentials (link on the left hand side of Windows 10 Explorer) > Windows Credentials > :

Under Generic credentials, look for "MS.Outook.15:[YOUR ACCOUNT NAME]". If there are two entries for the same account, delete the one which ends in "PUT". This should fix your problem. The problem arises where two or more entries/keys exist and Outlook does not know which one to use, so it requests on start-up of the program.



Before doing so however, I would advise you to back up your credentials.
This comment was minimized by the moderator on the site
Thanks Stu, that worked perfectly for me... although I didn't have a "PUT" entry, just 2 entries for the same account.... deleted them both and at next Outlook restart entered the correct credentials, ticked the "remember" box and worked fine ever since. Problem occurred because my exchange account had been deleted and then re-created with same e-mail and new password.
This comment was minimized by the moderator on the site
Allan, mine happened the same way! Although I was weary about deleting anything so I just updated the credentials to the new passwords and all is well in La La land!
This comment was minimized by the moderator on the site
Encountered a similar situation with an academic email account. The same password was being used according to Windows credentials, although the automatically assigned username was supposed to be "blank" according to the Windows credentials. I logged in first using the automatic username (which I could not edit without changing the account). The prompt re-appeared immediately after, although with the option to change the username. I left the username blank and entered only the password to sign in. I haven't experienced any more prompts. Thank-you for the tip!
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