Connections From Machines That Don’t Map to Sites?
KB ID 0001635 Problem I was troubleshooting some replication issues for a client, and carried out a dcdiag on one of their domain controllers, and saw this; Starting test: SystemLog A warning event occurred. EventID: 0x000016AF Time Generated: xx/xx/xxxx xx:xx:xx Event String: During the past 4.21 hours there have been {xxx} connections to this Domain Controller from client machines whose IP addresses don’t map to any of the...
ADFS: Changing the Certificate
KB ID 0001634 Problem I needed to change the certificate used by an ADFS server today. I’d used a temporary self signed wildcard cert to get me up and running now I needed to replace it with a new publicly signed one. I found a number of ways of doing this INCORRECTLY, so hopefully I will save you making the same mistakes! Solution Firstly you need to import your certificate, here from a PFX file, (if you want a PFX file import...
Setup Cant Continue PowerShell Has Open Files
KB ID 0001633 Problem While attempting to uninstall Microsoft Exchange server; Setup can’t continue with the uninstall because the powershell (PID) has open files. Close the process, and then restart setup. Solution Seems to be a common error, and is usually caused because someone has the Exchange Web Management page open, (probably in another user session); In some cases you may need to reboot, but in my case I was simply being...
Cisco ASA – Port Forward a ‘Range of Ports’
KB ID 0001111 Note: This is for Cisco ASA 5500, 5500-x, and Cisco Firepower devices running ASA Code. This comes up on forums a lot, some applications and most phone systems require a ‘LOT’ of ports to be open. Normally thats fine you just give the internal IP a static public IP and open the ports. But what if you don’t have a spare public IP? I’ve already covered port forwarding before. Cisco PIX / ASA Port...
Cisco ASA Site To Site VPN IKEv2 “Using CLI”
KB ID 0001429 Problem Note: This is for Cisco ASA 5500, 5500-x, and Cisco Firepower devices running ASA Code. You want a secure IPSEC VPN between two sites using IKEv2. Note: If the device you are connecting to does not support IKEv2 (i.e. it’s not a Cisco ASA, or it’s running code older than 8.4) then you need to go to the older version of this article; Cisco ASA 5500 Site to Site VPN IKEv1 (From CLI) Solution Before you...
Windows – Find your ‘Uptime’
KB ID 0000552 Problem There are lots of reasons you might want to know your PC/Servers uptime, to make sure a client has rebooted a server (like you asked them to), or to see if a server has had a BSOD and rebooted overnight, etc. Check Uptime with Task Manager You can get your uptime from the Task Manager’s “Performance” tab. To launch Task Manger Start > Run > Taskmgr.exe {enter}. or Press CTRL+SHIFT+ESC, or...
Exchange – Display Mailbox’s by size
KB ID 0000469 Problem Yesterday a client asked me how he could find out, which of his users were the “worst offenders” for mailbox size. Normally a simple Get-MailboxStatistics command would be fine, and we would sort the results in descending order. Solution On one of the Exchange servers, launch the Exchange Management Shell. Issue the following command: Note: That’s all one command, replace the name PNL-MAIL-2019...
Control Panel ‘Mail Icon Missing’
KB ID 0000237 Problem Problem usually seen on x64 Office versions, to set up some mail profiles; Solution Firstly what happens if you try running; outlook.exe /manageprofiles The file you are looking for is called mlcfg32.cpl Find it and double click it. here’s where I found it C:\Program Files (x86)\Microsoft Office\root\Office{Version} or C:\Program Files (x86)\Common Files\System\MSMAPI\1033 If you get stuck, or are using x64...
Windows Client(s) not ‘appearing’ in WSUS
KB ID 0000591 Problem Before you start troubleshooting clients, how long have you waited? I usually setup and configure WSUS up at the start of a job, then leave it alone for a few DAYS, before I start worrying. Here are the steps I usually follow to get the machines listed in the WSUS management console. Solution Before doing anything further, simply try running the following two PowerShell commands, (on the problem client,) and...
Exchange Cant Mount Database ‘0x80004005’
KB ID 0001632 Problem When attempting to mount an Exchange Database I got this error; Failed to mount database “{Database-Name}”. Error: An Active Manager operation failed. Error: The database action failed. Error: Operation failed with message: MapiExceptionDatabaseError: Unable to mount database. (hr=0x80004005, ec=1108) Diagnostic context: Lid: 65256 Lid: 10722 StoreEc: 0x454 Lid: 1494 —- Remote Context Beg...