Windows RDP: ‘An authentication error has occurred’
KB ID 0001433 Problem When attempting to RDP to a remote machine; An authentication error has occurred. The function requested is not supported Remote computer: {name} This could be due to CredSSP encryption oracle remediation. Or you may just see; An authentication error has occurred. The function requested is not supported Remote computer: {name} Solution This is happening after you have a applied a windows security update it...
PowerShell: Cannot Be Loaded Because Running Scripts is Disabled
KB ID 0001417 Problem If you’ve arrived here, you are trying to run a script, and you cant; PS C:\Users\{User-name}> .\{script-name}.ps1 .\{script-name} : File C:\Users\{User-name}\{script-name} cannot be loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies at http://go.microsoft.com/fwlink/?LinkID=135170. At line:1 char:1 + .\{script-name} + ~~~~~~~~~~~~~~~~~~ +...
Deleting Folders With ‘Long Filenames’ (Source Path Too Long)
KB ID 0001396 Problem Source Path Too Long The source file name(s) are larger than is supported by the file system. Try moving to a location which has a shorter path name, or try renaming to shorter name(s) before attempting this operation. “Have you come across a problem deleting folders with long filenames?” I got asked this question twice in the first week at a new job. In a former role my colleague did a lot of work in...
Windows: Enable ‘Previous Versions’
KB ID 0001393 Problem Anyone who’s ever trashed a spreadsheet, or saved a file over the top of one that they shouldn’t, will appreciate previous versions. It’s done by a technology we have had since Windows XP (and Server 2003) called ‘shadow copy’. If you are familiar with virtualisation it’s a bit like taking ‘snapshots’ of files. It’s also great for sysadmins, as users can...
Remote Registry: No Location Found
KB ID 0001379 Problem When attempting to connect to a remote machines registry; Error The program cannot open the required dialog box because no locations can be found. Close this message and try again. Solution The ultimate cause of this problem is, that the machine you are on cannot see Active Directory, either because there are no domain controllers are online, or its DNS settings are incorrect. Related Articles, References,...
Cisco ASA: Prioritise RDP Traffic
KB ID 0001359 Problem I have a client who had two sites, one didn’t have a particularly good internet connection, (which is the actual problem that needed to be solved). But in the interim, he wanted me to prioritise RDP traffic, as his staff were constantly complaining about the speed of their connections. Note: They may be a myriad of reasons why user experience is bad for an RDP session, this was quite simply a bandwidth...
ADMT Password Export Server Error: Invalid Password!
KB ID 0001355 Problem Seen when trying to install the ‘ADMT Password Export Server Service’, whilst doing a domain migration; Invalid Password! The supplied password does not match this encryption key’s password. ADMT’s Password Migration Filter DLL will not install without a valid encryption key. Solution At first I assumed I was suffering from ‘fat fingers’ and just entering the wrong password,...
Windows Certificate Services ‘certsrv’ Website displays 403.14
KB ID 0001342 Problem I seem to get all the PKI/Certificate services problems! Yesterday I was trying to use the web enrolment portal on a certificate services server, and could not get in locally, (or remotely) via http, (or https) it simply showed me a 403.14 error. HTTP Error 403.14 Forbidden Solution This was an odd one, in IIS Manager select the ‘Certsrv’ virtual directory > Advanced Options > And look at the...
An Invalid Directory Pathname Was Passed
KB ID 0001338 Problem While attempting to delegate administration of an OU, I got this error; Delegation of Control Wizard The wizard cannot retrieve security information from the Active Directory. An invalid directory pathname was passed. Solution Took a while to figure out! The OU in question has a ‘slash’ in the name of it; Once I changed this to a hyphen, the error ceased. Related Articles, References, Credits, or...
Using LDP to Find an Objects ‘Distinguished Name’ in Active Directory
KB ID 0001337 Problem There are a few occasions when you need to know an objects ‘Distinguished Name’ (DN). For me it’s usually when I’ve got a device that needs to do LDAP/LDAPS lookups, (RSA Appliance, Netscaler, Cisco FirePOWER, etc). Today someone needed to ‘bind’ a Checkpoint firewall to Active Directory, and asked me to create user, and give them the DN and password. I’ve mentioned...