Geutebrück Database

In case your Geutebrück Server shows database error after hardware change of your DB harddrives:

go to
[HKEY_LOCAL_MACHINE\SOFTWARE\Geutebrueck\Gng\Server\DBE]
and delete this entry.

restart G-Core Server

iOS 13 Probleme Mail

in case your iPhone with iOS 13 does not receive mails:

openssl s_client -showcerts -connect mail.123.net:993 </dev/null 2>/dev/null | openssl x509 -outform PEM > ~/Desktop/123.net.pem

NTP at Windows Server 2012R2

In case you have problems getting the right time:

w32tm /config /syncfromflags:manual /update /reliable:yes /manualpeerlist:"0.de.pool.ntp.org 1.de.pool.ntp.org 2.de.pool.ntp.org 3.de.pool.ntp.org"