Exchange: Object Reference Not Set To An Instance Of An Object
Object Reference Not Set KB ID 0001836 Problem This has plagued me for a while – but as the server was my test server it’s had to wait. When attempting to open the Exchange Admin Center website I got the following; Server Error in ‘/ecp’ Application Object reference not set to an instance of an object. Object Reference Not Set: Solution First stop was to make sure all the Exchange services were running....
Delegate LAPS Administration
LAPS Administration KB ID 0001834 Problem I saw this asked on a forum this morning and, went to test the answer (and create an article if successful), to find out the posted answer and most of the info I found online was for Microsoft LAPS and not the newer Windows LAPS. Windows LAPS Laps Administration Let’s say we have an OU called Computers (with my computers in) and I want to grant read permissions to LAPS password to a security...
Disabling IPv6
Disabling IPv6 KB ID 0001832 Problem Stop! Why do you want to disable IPv6? I see this regularly in forums, with other unusual statements like “If you’re not using it disabling it” or “It’s just another attack vector, disable it.” Well unless you’re running Windows XP and Server 2012 you’re using IPv6. If something does not work and disabling IPv6 fixes it, then it’s usually...
Manually Update Windows Trusted Root Certificates
Manually Update Windows Trusted Root Certificates KB ID 0001831 Problem These days your trusted root certificates are simply updated with Windows Update, but what if your servers have no internet access? In this example I will manually update the root certs by downloading them on a machine WITH internet access then importing on another machine that has not. Bear in mind: If none of your machines have internet access they cannot check...
Windows: Migrate DHCP HA
Migrate DHCP HA KB ID 0001826 Problem I got an email last week. “Hi thanks for your video. I have two win 2012 DC DHCP on a failover/load balance config and want to migrate to new Win 2022 VMs. What’s the exact procedure? If it’s a single VM it’s easy but I’m not sure about if it’s on a failover setup.” Well migrating the domain controller element I’ve covered before. Migrate From Server...
Deny RDS
Deny RDS KB ID 0001825 Problem Way back when I started doing tech (in the days of Novell 4 and NT4), my mantra was, if you must deny something then you’ve done something wrong. Now I work for a UK based MSP that offers SPLA licensing to clients. Unlike typical RDS licensing, With SPLA this requires every ‘capable’ AD user that ‘can’ RDP onto a server (regardless of it’s a Session Host RDS Server or...