Microsoft Exchange and Active Directory Blog
Emails are known to be the main gateway for malware, viruses and all sorts of other nasty things. Unfortunately, the Exchange Server does not come with a proper spam filter, so other products have to be used for effective defense against spam and malware. Unfortunately, even the best spam filter lets a malicious mail through from time to time and of course it happens ... Read more
I have already reported several times about the possibility of obtaining free S/MIME certificates for signing and encrypting emails. There are now only a few providers that still offer free certificates. Some of the providers mentioned in the previous articles either do not issue certificates at all or only issue certificates with a 90-day validity period. All 90 ... Read more
Sophos has released a new update for Sophos UTM today. The update raises the version to 9.701-6. It is a maintenance release, but it fixes the problems with iOS 13 and the "new" certificate policy from Apple. Here is the list of all bugfixes: [NUTM-11142]: [AWS] Unable to create VPC tunnel to AWS GovCloud [NUTM-10024]: ... Read more
It should be known by now that support for Windows Server 2008 (also for R2) and Windows 7 will end on January 14, 2020. There will therefore be no more security updates for these Windows versions. Support for Exchange Server 2010 was extended by Microsoft in September 2019 to 13.10.2020, but this does not include the operating system. ... Read more
Exchange Servers store a large part of the configuration in the Active Directory, which is why a backup of the Exchange Server does not include the configuration of the Exchange Server, but usually only the data (such as the mailboxes). Important settings such as permissions on mailboxes or settings for the virtual directories are stored in the Active Directory. Especially when ... Read more
Another year has passed and it's Happy New Year again! I wish all visitors, readers, supporters and friends a happy and healthy new year, may all your wishes and resolutions come true. As in previous years, I would like to take a brief look back at the past year 2019. The visitor numbers are ... Read more
I wish all my friends, readers and supporters a merry and above all peaceful Christmas. I hope you can enjoy the holidays with your loved ones and take a break from the stress of everyday life. To all admins who remain on standby over the Christmas holidays or even fight directly for the well-being of the systems, don't let your mood be spoiled and treat yourselves to ... Read more
Yesterday, Microsoft released a new update (CU) for Exchange Server 2019 and Exchange 2016. Here is an overview of the changes and fixes in the new CU: Cumulative Update 4 for Exchange Server 2019 Cumulative Update 15 for Exchange Server 2016 The CU 4 for Exchange 2019 can still only be downloaded via VLSC, MSDN ... Read more
With Exchange 2019, something has changed in the search index, the search index for the Outlook and OWA search is no longer separate from the mailbox database in the file system, but has been moved to the database as part of the mailbox. Resetting the search index by deleting the search index files in the file system works with Exchange ... Read more
I have just uploaded a new version of the Exchange Certificate Assistant. The old version still uses the Let's Encrypt protocol ACMEv1, which is no longer supported by Let's Encrypt. The new version 3 of the Certificate Assistant now uses the PowerShell module Posh-ACME to automatically request certificates for Exchange Server via Let's Encrypt. Posh-ACME is ACMEv2 ... Read more
