Microsoft Exchange and Active Directory Blog
Some time ago I had already pointed out the following error, here in connection with Exchange 2013: Exchange 2013: 451 4.7.0 Temporary server error. Please try again later. PRX2 If emails cannot be delivered and Exchange displays the error "451 4.7.0 Temporary server error. Please try again later. PRX2" in the queues, it is possible that ... Read more
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
Today the CU3 for Exchange Server 2019 and the CU14 for Exchange Server 2016 were released. The Exchange 2019 CU3 is available for download in the VLSC, Visual Studio Subscription and Action Pack. Here are the details with the changes and fixed issues: Cumulative Update 3 for Exchange Server 2019 Cumulative Update 14 for Exchange Server 2016 ... Read more
Support for Exchange Server 2010 was originally due to end on January 14, 2020. Microsoft has now extended support until 13.10.2020. One of the reasons for the extension of the extended support are apparently the many still active installations or organizations that are currently still busy with the migration. Here you can find the article on the Exchange Team ... Read more
Two vulnerabilities in Exchange Server 2016 and Exchange Server 2019 are closed with corresponding security updates. These are the two vulnerabilities: CVE-2019-1233: Microsoft Exchange Denial of Service Vulnerability CVE-2019-1266: Microsoft Exchange Spoofing Vulnerability Both vulnerabilities have an "Important" rating. Details on the vulnerabilities can be found at the links above. Here you can download the ... Read more
On March 17, 2018, I drew attention to an idea by Jeff Guillet. The idea is about saving email signatures as part of the Exchange mailbox so that a uniform signature is possible on all devices. Up to now, the Outlook e-mail signature has been saved in the user profile of the respective client. The idea of ... Read more
Users are often added to the local "Administrators" group on servers or PCs to give users admin rights on the corresponding computers. Although this is the easiest way to configure admin rights for a user account, it is unfortunately easy to lose track. Here is an example of the members of the local administrator group of a server: The users ... Read more
After I released a new version of the Exchange Reporter on June 27, 2019, a few bugs have been fixed in the current version 3.6. Here is an overview of the changes: New functions FTP upload function (thanks to Daniel) Bugfixes Rblreport: Blacklist bl.spamcannibal.org removed, as it no longer exists VmwareReport: PowerCli is now loaded as a module (thanks to ... Read more
Sophos has released a new update for UTM 9.6, which raises the version number to 9.605-1. The following issues have been fixed: [NUTM-10885]: [Basesystem] Fallback log flooded since update to 9.6 [NUTM-10667]: [Email] Emails are not being processed, have "Stale ID in DB" in debug log [NUTM-10870]: [Email] UTM not rejecting emails with dot at the end ... Read more
Here is a short guide on how to establish a Site-2-Site (S2S) VPN connection to Microsoft Azure with the Sophos UTM. Since the Azure portal has been significantly revised in the meantime and I have only found quite old HowTo's, I have summarized my configuration of the UTM and Azure here. If I find some time, I will also ... Read more
