Sometimes cached credentials on your device or a corrupted Office profile can lead to repeated sign-in prompts or activation failures. The solution to this is to train the users to glance at this bottom right corner of Outlook from time to time. They should then click it and enter their corporate credentials if it ever says Need Password.

Openreach Takes Next Step in UK’s PSTN Landline Switch-Off.

Gone are the days where this is an hours-long process. @scott-sa-spiceworks okay, I "edited" the passwords for Office to my current one in that credential box but Outlook loading profile fix it did not help. It would be nice to know where that password is being cached, then I might be able to delete it. The following table lists known error codes for the "Sorry, but we're having trouble signing you in" error message.

1 Step 1: Confirm Your Account Credentials

It works well for Outlook unless the user has a gigantic mailbox and then it just takes a while for it all to sync up. Brandon Herring I still have one more install available on my office profile, thanks for asking. This is getting more than a little annoying as no one else in the office seems to be having the issue.

• If network connectivity is solid and you’ve ruled out firewall or proxy blocks, clearing cached credentials and repairing the Office installation are the next logical steps.
• Combine these best practices with ongoing training and proactive license management, and you’ll be well on your way to a stable, secure Office 365 environment.
• I saw in the MS knowledgebase where there was a certain update that was part of the issue but that was quite some time ago and MS has since issued patches to fix it in relation to that update.
• If we don't detect any problem, we'll guide you through how you can help yourself.
• Your results may vary, but I always use Online Repair now.
• Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
• You can also cut and paste them to a different location like your desktop.
• If we detect a problem with your account, we'll tell you what you need to do to solve the problem.

2 Activation Error Codes and Their Solutions

Combine these best practices with ongoing training and proactive license management, and you’ll be well on your way to a stable, secure Office 365 environment. If network connectivity is solid and you’ve ruled out firewall or proxy blocks, clearing cached credentials and repairing the Office installation are the next logical steps. Next time you log in, it will cache them again for you.

Microsoft Teams does not allow remote users to connect

Find solutions to common problems or get help from a support agent. Once you are in the microsoft folder, delete the OneAuth and IdentityCache folders. You can also cut and paste them to a different location like your desktop. To do this, open Credential Manager from Control Panel by just typing the word Credential after hitting the Windows key. Notice everything that references Microsoft online, and all those "msteams" items, too. I think I’m going to try what I mentioned in my last post and see what happens.





Microsoft 365 is a vital tool for many businesses, and login issues can significantly disrupt day-to-day operations. In this guide, we will take an in-depth look at troubleshooting and resolving common Microsoft 365 login problems so you can keep your business running smoothly. If you’ve tried all these steps and still can’t resolve the sign-in or activation errors, you may need more advanced troubleshooting.