Technology-Blog for IT professionals by thuinformatik GmbH
On some morning we experienced following eventlog records on a primary/active MS-Exchange 2019 server. The server is the primary server in a redundant DAG (database availability group). Log Name: Application […]
I came across the need to migrate local users and groups from Microsoft Windows Server 2016 to Microsoft Windows Server 2019/2022. Install Windows Server Migration Tool, on the source Windows […]
proxyAddresses is a multivalued attribute in Active Directory (AD) used on users, groups, and contacts to facilitate mail delivery. To configure this attribute using PowerShell, you need the ActiveDirectory Module for […]
Multi-factor authentication (MFA) is an authentication method in which a user is granted access only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism. […]
Naxsi “Nginx Anti XSS & SQL Injection” is a free, open-source and high-performance web application firewall that can be used to protect your webserver against different types of attacks like […]
Rocky Linux 8 with sendmail hosting multiple domains works fine. Only one domain should be configured to use a smarthost with a third party anti-spam service. We want to prevent […]
Sometimes our WSUS server displays the error – message below while performing some queries within the WSUS console. Our SUSDB file in C:\Windows\WID\Data grew up to 50 GB during the […]
We where already prepared to switch our servers from CentOS 7 to 8 but our project stopped immediately after we heard about the abrupt end of CenOS – so we where […]
You can add custom scripts to the crontab on your QNAP NAS box. I’ll use it to create a timestamp file in a directory that will be synchronized in real […]
You may see the error below in Outlook connected to an on premise Exchange server: 0x8004010F: The operation failed. An object could not be found.or0x8004010F: Outlook data file cannot be […]