There are lots of NTLM logon requests from remote domain users to a resource server that is running Windows Server 2008 R2. In this scenario, the NTLM requests time out. For example, Exchange clients do not authenticate to the Exchange server when this issue occurs.

Select the Start button, select Settings > Accounts > Family & other users. (In some editions of Windows you'll see Other users .) Select Add someone else to this PC. Select I don't have this person's sign-in information, and on the next page select Add a user without a Microsoft account.

On a computer that is running Windows Server 2008 or Windows Server 2008 R2, you notice that time synchronization is not performed even though the W32Time service is successfully started. Additionally, when you run the w32tm /resync command, you receive an error message that resembles the following:

Can't sign in? Follow these steps to reset your Microsoft account password. You see the following error code and message when you try to create a new Microsoft account or add a family member to your Microsoft family on your Xbox: 0x8015402B or 8015402B. The e-mail address associated with the MSA has not been verified.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

You see the following error code when you try to use a feature on the Xbox network: 0x80072F8F. This may mean that there’s an issue with your connection to the Xbox service. Typically, this is a transient error.

When you try to access or work with files and folders in Windows, you experience one or more of the following issues: Issue 1: You receive an "Access Denied" error message or a similar message. Issue 2: You cannot access, change, save, or delete files and folders.

If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.