Migrate DHCP Scope(s)
Migrate DHCP KB ID 0001792 Problem If you have a lot of DHCP scopes, options, or reservations, then manually creating them on your new DHCP servers can be a both a time consuming and tedious process. If only there was an easier way? Migrate DHCP with Netsh Below you can see an example, where I have many scopes and lot’s of settings that would be painful to have to recreate from scratch. This example is on Server 2008 R2,but...
Windows Server – Change a DHCP Scopes Subnet Mask
KB ID 0001177 Problem You have probably tried to do this and found he option ‘greyed out’ because in the DHCP management console you can’t change the subnet mask of a scope. I needed to change a clients DHCP scope because I was changing their subnet from /24 to /16. I could have simply deleted and recreated the scope, but they has a lot of custom settings for their phone system, and hundreds of reservations (which...
Windows – Backing up, Transferring, and Restoring Wireless Network Settings
KB ID 0000626 Problem If you have a machine setup and working on your wireless network, sometimes it’s easier to set other machines up by simply migrating the settings. Either because you don’t want your child to try and type in a 64 bit WPA key, or you might simply have forgotten the WEP/WPA key,and don’t want to go through all the hassle of setting it up again. In a small business environment you can give your...
Windows – Export / Recover WEP and WPA Wireless Keys
KB ID 0001015 Problem If you need to connect to your wireless network with a new machine and have forgotten the key, you can view the WEP or WPA key in cleartext using the following procedure on a machine that has connected before. Solution 1. First launch PowerShell, ensure you ‘Run as administrator’. 2. To show all the wireless profiles stored on this machine, issue the following command; netsh wlan show profiles 3....
Exchange – ‘The certificate status could not be determined because the revocation check failed.’
KB ID 0000484 Problem Seen on Exchange (with or without service packs) when you access the internet through a proxy server. Note: Exchange does NOT take its proxy settings from Internet Explorer. Solution 1. To prove that the proxy is the problem drop to command line and issue the following command: netsh winhttp show proxy If it says “Direct Access (no proxy server)” and you have a proxy server then that’s...