Member Avatar for SleepyHollow

Hi all,

that is my first post here, so be gentle!

I am using microsoft outlook 2003, and recently it keeps buging me for my user name and password- I provide it, tick the box remember, but after few seconds it does pop up again- User name and password are correct- I am sure....
What can I do with it? How can I stop it? I know, that using Thunderbird would help, but at the moment it is impossible.

Thanks in advence!

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  • Latest Post Latest Post by woodardbarnes

Dani AI

Generated

Brief, practical follow‑up for — others have started the right threads, so here are clear, testable steps to try next. These steps avoid rehashing earlier suggestions and focus on items that are often missed with older Outlook builds.

  • Confirm account type (Tools > E‑mail Accounts) and then apply the relevant checks:

    • For POP/IMAP accounts, open More Settings -> Outgoing Server and make sure SMTP authentication is set (use same settings as incoming). Also check the exact user name form your provider expects (domain\user vs user@domain).
    • For Exchange, create a fresh profile (Control Panel -> Mail -> Show Profiles -> Add) and test before changing anything in your existing profile. Back up any PST files first.

  • Clear and reapply stored credentials in Windows (older Windows shows this as "Stored User Names and Passwords"). On XP-era systems you can run:

    • rundll32.exe keymgr.dll,KRShowKeyMgr
      Remove any stale entries for the mail server, then re-enter credentials in Outlook.

  • Repair and log:

    • Run the Inbox Repair tool (SCANPST.EXE in Office11 folder) on your PST if Outlook behaves oddly after sign‑in attempts.
    • Enable Outlook logging (Tools -> Options -> Other -> Advanced Options -> Enable logging) and reproduce the prompt. Logs will show whether the server is rejecting authentication or the client is not sending credentials.

  • Other quick checks: temporarily disable any firewall/AV or cleaning tools while testing (they can interfere), confirm the mail server isn’t locking the account after failed attempts, and try both common authentication modes (NTLM/integrated vs basic) in More Settings -> Security.

If problems persist, capture the Outlook log and a short description of the account type and server (provider or Exchange) and pass those to the mail admin. Given Outlook 2003 is long out of support, consider upgrading when feasible.

Member Avatar for jbennet

are you using privacy software?

many track ereasers delete the stored passwords

Member Avatar for woodardbarnes

May I assume since you are working with outlook, you are connecting to an exchange server? If so, then you may want to check to see if you are cacheing. If not, then turn cacheing on.

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