New security updates for Exchange Server (All versions)

by

Microsoft has released security updates for Exchange Server today. Specifically, these are the following vulnerabilities: CVE-2019-0817: Microsoft Exchange Spoofing Vulnerability CVE-2019-0858: Microsoft Exchange Spoofing Vulnerability CVE-2019-0817 applies to all currently supported Exchange Server versions (including Exchange 2010). CVE-2019-0858 affects Exchange from version 2013 onwards. Even though the vulnerability is "only" rated as "Important", it ... Read more

Exchange 2010: End of support is approaching - What now?

by

I am currently receiving many emails about the upcoming end of support for Exchange 2010. As you know, support for Exchange 2010 ends on 14.01.2020. Apparently, smaller companies in particular, which are currently still using Small Business Server, are currently having problems finding a service provider or system house to assist with the migration. I have now read several times that the cloud ... Read more

Windows Admin Center and Sophos UTM 9.6 WAF (WebSocket)

by

Sophos UTM 9.6 Webserver Protection (WAF) can now forward WebSocket connections to the Real Server. This means that web applications that require WebSocket for the function now work in connection with the UTM WAF. One of these applications is, for example, the Windows Admin Center, but the UniFi SDN Controller also uses WebSockets for certain features. Although ... Read more

Exchange Server Dashboards with ELK (ElasticSearch, Logstash, Kibana) Part 3

by

In part 2 of this article series, I described the installation of the ELK stack on Debian 9.8. This part is about the configuration of the individual components and the data of the Exchange Server message tracking logs. Introduction In this article, the ElasticStack components and the Exchange Server are configured. This article refers directly to ... Read more

Exchange Server 2016 installation error | Error code 1603

by

After I already wrote about the defective ISO here, I encountered another error. The Exchange Server 2016 installation keeps failing with the error "Installation product \exchangeserver.msi faild. Fatal error during installation. Error code is 1603." aborted. During my search, I came across several solutions, but none of them led to the goal. Read more

Exchange Server Dashboards with ELK (Elasticsearch, Logstash, Kibana) Part 2

by

As already announced, I would like to realize dashboards for Exchange Server with Elasticsearch, more precisely, the Elastic Stack (ELK). This part is about the installation of the Elastic Stack on a Debian 9.8 VM. Introduction I have described the installation and configuration in this article so that the environment can be recreated if you are interested. When I ... Read more

Exchange Server Dashboards with ELK (ElasticSearch, Logstash, Kibana) Part 1

by

Unfortunately, Exchange Server does not offer a build-in option to clearly display the status of the environment or certain performance parameters on a dashboard. Even many monitoring tools quickly reach their limits when it comes to clearly displaying the number of emails received or sent, for example. In this series of articles, I would therefore like to take a look at ELK, or the Elastic Stack ... Read more