https://community.dynatrace.com/t5/Dynatrace-Managed-Q-A/Upgrade-OS-cluster/m-p/293144#M4639 <P>Hello everyone,</P><P>Our customer is currently running Dynatrace Managed on an unsupported Red Hat Enterprise Linux version. We are planning to upgrade the operating system from RHEL 8.7 to RHEL 8.10.</P><P>To avoid any data loss, we intend to perform the upgrade node by node.</P><P>My questions are:</P><UL><LI><P>Has anyone already performed an OS upgrade in this context and confirmed that Dynatrace Managed continues to work correctly afterward?</P></LI><LI><P>If so, could you please share the recommended approach or best practices?</P></LI></UL><P>While reviewing the documentation, I noticed that RHEL 8.10 requires the manual installation of the libcrypt.so.1 library from the libxcrypt-compat.rpm package. Based on this, after the OS upgrade and reboot, we would need to stop the Dynatrace services, install the required library, and then start the services again.<BR />Could you please confirm if this understanding is correct?</P><P>Thank you in advance for your help.<BR />Salma</P> Thu, 15 Jan 2026 09:09:58 GMT Salma_berechid 2026-01-15T09:09:58Z https://community.dynatrace.com/t5/Dynatrace-Managed-Q-A/Upgrade-OS-cluster/m-p/293144#M4639 <P>Hello everyone,</P><P>Our customer is currently running Dynatrace Managed on an unsupported Red Hat Enterprise Linux version. We are planning to upgrade the operating system from RHEL 8.7 to RHEL 8.10.</P><P>To avoid any data loss, we intend to perform the upgrade node by node.</P><P>My questions are:</P><UL><LI><P>Has anyone already performed an OS upgrade in this context and confirmed that Dynatrace Managed continues to work correctly afterward?</P></LI><LI><P>If so, could you please share the recommended approach or best practices?</P></LI></UL><P>While reviewing the documentation, I noticed that RHEL 8.10 requires the manual installation of the libcrypt.so.1 library from the libxcrypt-compat.rpm package. Based on this, after the OS upgrade and reboot, we would need to stop the Dynatrace services, install the required library, and then start the services again.<BR />Could you please confirm if this understanding is correct?</P><P>Thank you in advance for your help.<BR />Salma</P> Thu, 15 Jan 2026 09:09:58 GMT https://community.dynatrace.com/t5/Dynatrace-Managed-Q-A/Upgrade-OS-cluster/m-p/293144#M4639 Salma_berechid 2026-01-15T09:09:58Z