RDP Black Screen
RDP Black Screen KB ID 0001840 Problem This problem has jumped up through various iterations of Windows operating systems. You attempt to RDP to a machine; it connects but you simply get a black screen. RDP Black Screen Solution Over the years various ‘hotfixes’ were known to cause this, but before proceeding make sure both the machine you are connecting FROM and the machine you are connected TO are fully patched and...
Cisco ASA: Keep VPN Always Up
VPN Always UP KB ID 0001839 Problem This was information that was passed to me by a colleague (Thanks Ajay) this week. If you have a site to site VPN tunnel after a period of inactivity the tunnel will be torn down. In most cases when required it will simply be re-established, but what if you wanted it to be permanently up? I have had situations where only the ASA side of a tunnel can bring it up (usually because of misconfiguration...
Insufficient access rights Error Code 8344
Error Code 8344 KB ID 0001636 Problem With Azure AD Replication, you may notice that you have the following error when you take a look at your connector status; Error: permission-issue Connected data source error code: 8344 Connected data source error: Insufficient access rights to perform this operation. Solution: Error Code 8344 Firstly ensure that the user you are running AAD sync under, has the following permissions on the...
PowerShell Inventory Operating Systems in Active Directory
PowerShell Inventory KB ID 0001838 Problem I needed to get a list of operating systems ‘in-use’ in my active directory this week. bear in mind this will pull information from all enables computer accounts in AD, so if you are ‘not good’ at tidying out old machines and servers you might get a lot of garbage in your output! Solution: PowerShell Inventory Use the following PowerShell. Get-ADComputer -Filter...
macOS – SSH Error ‘No Matching Exchange Method Found’
Mac SSH Error KB ID 0001245 Problem Certified working all the way up to macOS Ventura version 13.6 Certified working all the way up to macOS Sonoma version 14.1 Certified working all the way up to macOS Sequoia version 15.6 I thought my RoyalTSX had broken today, I upgraded it a couple of weeks ago, and I upgraded to macOS Catalina 10.15 the other day. After this, all my SSH sessions refused to connect with this error; Unable to...