Error while logging in to connect remote computer does not need a password
Select Start and type gpedit.msc in the Search box to search for software, files and press Enter.
On the left, go to Local Computer Policy > Computer Configuration > Windows Settings > Security Setings > Local Policies > Security Options.
Find 'Accounts:Limit local account use of blank passwords to logon only console ' and double click on it.
Enable default is selected, you just need to switch to Disable and click OK.
You can now connect to the computer using Remote Desktop and log in to the user account without a password. Some Windows machines like XP do not have gpedit.msc, so you will have to change the registry.
Type regedit in the Search box in the Menu and type Enter
Go to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlLsa
Find LimitBlankPasswordUse on the right and double-click on it, set the value to 0.
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