TCPKeepAlive Not Set Error : Without this value the KeepAliveTime defaults to two hours, which can cause connectivity and performance issues between network devices such as firewalls and load balancers depending on their configuration
When reviewing Exchange Healtcheck reports, you may see a warning like the following Check TCP KeepAliveTime setting TCP KeepAliveTime Exchange TCP KeepAliveTime registry entry should be set to a decimal value between 900000 and 1800000 (15 to 30 minutes in milliseconds). If there’s no entry in the registry for KeepAliveTime then the default value is 2 hours. This value, […]
Microsoft Exchange Client Access Server Information Disclosure
The Microsoft Exchange Client Access Server Information Disclosure vulnerability, frequently found in Pentest and Tenable scans, is a vulnerability that can disclose some configuration or system information without additional interaction on the server. This makes it easier for attackers to gain prior knowledge about the system, allowing them to target other vulnerabilities. The recommended solution […]
MSMQ Windows Feature Installed True – This feature is no longer required and can be removed
It gives the following warning in HealthChecker reports on Exchange server, I will explain below how to fix this warning. Microsoft has the Requirements for the installation has updated Exchange Server 2019 and 2016. The Windows Message Queuing (MSMQ) feature is no longer required and can be uninstalled from the Exchange servers. With the automatic […]
Exchange Server Power Plan Balanced — Error
Configure power plan in Exchange Server It is important to configure the appropriate power plan on Exchange Server. The default power plan after Windows Server installation is usually set to Balanced (recommended). However, this setting is not ideal for Exchange Server. Microsoft recommends setting the power plan to High Performance on systems running Exchange Server. […]
Sleepy NIC Disabled False — Warning: It’s recommended to disable NIC power saving options
When running the HealthChecker tool on Exchange Server, you may receive a warning about network card (NIC) power management. In this article, we explain step-by-step how to disable NIC power saving settings on Exchange servers, whether physical or virtual. Disable NIC Power Management in Exchange Server You can access the reference article written by the […]
Exchange Server Queue Viewer Error
Microsoft Exchange Critical Error Symptoms of the problemAfter migration, the queue viewer in Exchange Server 2019 would not open and gave errors. This was initially attributed to the latest security updates, as some forums were reporting that KB updates were causing similar errors that were fixed when uninstalled. However, our situation was different: Detection: Lack […]