WIN-ACME: Installation of an Exchange CU fails

On an Exchange 2016 server that had configured its certificate from Let's Encrypt with the WIN-ACME client, the installation of a CU was aborted with an error at step 16 of 18: Here is the full test of the error message: Error: The following error was generated when "$error.Clear(); Install-ExchangeCertificate -services "IIS, POP, IMAP" -DomainController $RoleDomainController if ($RoleIsDatacenter ... Read more

Sophos UTM: New update (9.703-3)

Sophos has released the update for the UTM to version 9.703 in a bug-fixed version. The update initially caused various serious problems and was withdrawn by Sophos. The update is now available with the version number 9.703-3. This update is intended to fix the following problems: [NUTM-9381]: [Access & Identity] WebAdmin user getting an error while ... Read more

Exchange Server: Install updates now

On February 13, 2020, Microsoft released updates for all Exchange Server versions for the vulnerability CVE-2020-0688. If you have not already done so, you should install the update as soon as possible, as it is now known how the vulnerability can be exploited. Although an attacker must first authenticate themselves on the Exchange Server, it is then possible to take control of the ... Read more

New security update for Exchange Server 2013 - 2019

Microsoft has released a new security update for Exchange Server 2013 to 2019 (CVE-2019-1373). The update closes a vulnerability that, in the worst-case scenario, could allow code to be executed remotely. Microsoft classifies the severity of the vulnerability as critical. The update should therefore be installed as soon as possible. Microsoft provides the following details on ... Read more

New update for Sophos UTM (9.700-5)

Sophos has released a new update for the UTM. The update has the version number 9.700-5 and includes the following new features: Support for new APX AccessPoints Certificate Chain support for WebAdmin and UserPortal Certificate Chain Support for WebProxy New RED Site 2 Site Protocol Retirement of UTM Endpoint Management In addition, the following issues have been ... Read more

Exchange CU installation aborts with error during schema update

During the installation of CU14 for Exchange Server 2016, I encountered the following error. The required schema update could not be performed either from the setup GUI or via shell. The setup aborts directly at "Step 1 of 18: Preparing the organization" with the following error: Here again the error message as text: 1 ... Read more

Exchange Server: New security update (June 2019)

Microsoft has released a new security update for all currently supported Exchange Server versions. What exactly the problem is with the Exchange Server versions has not been published. The description of the security advisory only states: Microsoft has released an update for Microsoft Exchange Server that provides enhanced security as a defense in depth measure. ... Read more

Sophos UTM: New update (9.602-3)

Sophos has released a new update for UTM 9.6. The update raises the version of the UTM to 9.602-3. The following issues are fixed with the update: [NUTM-9877]: [Access & Identity] Configurable RADIUS timeout for L2TP over IPsec [NUTM-10728]: [Access & Identity] Race condition on configuration change of RED device [NUTM-10190]: [Basesystem] CVE-2018-15473: OpenSSH ... Read more

Exchange Server: New updates (February 2019)

New updates have just been released for all supported Exchange Server versions, which also fix the critical vulnerability from CVE-2018-8581. The updates should therefore be installed as soon as possible, as an exploit for this vulnerability has existed for some time. Click here to download the updates for Exchange 2010, 2013 and 2016: Cumulative Update 12 ... Read more