Exchange 2016: Configuring certificates (part 1)

I now receive emails every day with questions about certificates and/or Outlook Anywhere. The questions about Outlook Anywhere are usually also related to the certificates. In most cases, the emails end with a sentence similar to this one: Certificates are a red rag for me! The sentence comes from a mail that I received today ... Read more

Outlook: Configure Exchange profiles without user interaction (ZeroConfigExchange)

Thanks to Autodiscover, it is easy to set up Outlook profiles for Exchange Server. Users only have to click "Next" a few times and the corresponding profile is created. The following dialogs should therefore be familiar to most people: However, since no user interaction is required here in the case of Exchange Server and a correct Autodiscover configuration and ... Read more

Exchange 2016: FIPFS Event ID 6027 Filter updates are not downloaded

A virus scanner has also been included since Exchange 2013. As with most other virus scanners, the signatures must also be updated here. Problems can occur when updating the signatures, especially if Exchange is not installed on the C: drive. The following entry can then be found in the event log: Source: FIPFS Event ID: 6027 MS Filtering ... Read more

New Exchange 2016 Server - Outlook asks for login information

I have just installed a new Exchange 2016 CU3 in my Exchange organization. However, after the configuration, Outlook 2016 could not establish a connection, but asked for login information: The first assumption was that something was wrong with Autodiscover and I might have forgotten to configure a URL correctly. However, a quick test of the autodiscover configuration was ... Read more

Windows Server 2016 available in MSDN

As of today, Windows Server 2016 is also available in the MSDN subscription: Windows Server 2016 was or is already available as an eval version. However, the demo "only" runs for 180 days. Now Windows Server 2016 is also available in MSDN with corresponding product keys that are not time-limited. I have been waiting for this, now there is an update ... Read more

DXXD: Ransomware apparently attacks Windows Server directly

The DXXD ransomware apparently attacks Windows servers directly. Like other ransomware, DXXD encrypts files and appends the extension .dxxd to the encrypted file. Up to now, an attack on Windows servers has usually started from an infected client, which then encrypted files on network drives. In the Bleeping Computer forum, however, it is suspected that ... Read more

Microsoft now also distributes Windows updates as an update rollup

Since this month, Microsoft has also been distributing Windows updates as update rollups, similar to Exchange Server. Several updates are combined in update rollups. On the one hand, this has the advantage that not countless individual updates have to be installed, but significantly fewer. The disadvantage, however, is that certain updates can no longer be deselected or uninstalled individually. ... Read more

Windows Nano Server and VMware ESXi

Microsoft introduced the Nano Server with Windows Server 2016. Nano Servers have no GUI and are even more reduced than Server Core installations. Nano servers are only managed remotely and corresponding images must first be created. It is quite simple for Hyper-V, as VHD files can be created directly here. However, it also works ... Read more

VSS: Backup fails with error message ConvertStringSidToSid

Today I once again had a Windows server that could no longer be backed up via VSS. The creation of a VSS snapshot aborted with the following error message: Volume Shadow Copy Service Error: An unexpected error occurred while calling the routine "ConvertStringSidToSid(S-1-5-21-1629892529-1905228445-1032730592-4125.bak)". hr = 0x80070539, The structure of the security identifier is invalid. . Operation: OnIdentify event Generator data is being collected Context: Execution context: ... Read more