Troubleshooting Outlook Authentication issues II

  • Check If a Local User Account is present with the same Name as AD account. If same ID is available, rename local ID to some other ID.
  • Clear Temporary Files
  • Delete Cookies / Temp Files / History / Saved passwords / Forms from all the browsers.
  • Start — > Run –> Temp –> Delete all temp files.
  • Start –> Run –> Prefetch –> Delete all Prefetch files.
  • Remove Mapped Drives from the computer.  My Computer –> Right click on Shared drive –> click on Disconnect
  • If Adobe Reader is installed, in the back end it will be trying to check for latest update. Delete the Adobe Updater file from below path. Delete the AdobeUpdater.dll file in the folder C:\Program Files\Adobe\Reader version \Reader
  • Remove stored passwords from Control Panel.
  • Start –> Run –> Type Control UserPasswords2 , click on Advanced managed passwords and delete all the passwords.
  • Remote unwanted applications from StartUp (Run –> msconfig –> startup –> Uncheck unwanted software)
  • Scan the entire HDD and update the Antivirus agent.
  • Check the third party software installed on client side. If it’s not required, uninstall.
  • Open the Task Scheduler (Run –> Tasks) and delete unwanted tasks. Most of the time, Automatic Backup / Google Update / Apple Updates will be installed by default. Remove all.
  • Uninstall Auto Update software’s in Control Panel. (You can update this software manually.)
  • If user’s account acts as a service account, update the latest password in service.
  • User’s account used as an IIS Application Pool identity.

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