Category: Update

IIS Exploit can reboot your Windows Server; install patch KB3042553 ASAP

This week Microsoft release a patch for Windows 7/Windows Server 2008 R2 and up that fixed a critical remote execution bug, see MS15-034 and CVE-2015-1635 for more info. Unfortunately the patch was reversed engineered and now an exploit is available. This was detected and described by ISC SANS. They added Denial of Service (DoS) as possible impact, next to Remote Code Execution....

Some things to do after leaving Windows Server 2003 (from an Exchange perspective)

Today the Exchange Team blog posted an article about upgrading the Domain Functional (DFL) level of your Active Directory environment away from Windows Server 2003 and the fact that raising the level might have some impact on your Exchange servers (and other applications). It is possible that they might not be able to authenticate. If you do run into issues after...

Do not update your Office Web Apps Server with automatic updates

Although it is not exactly required to deploy with Exchange Server 2013, Office Web Apps Server (OWAS or also referred to as WAC server) provides a more user friendly experience instead of the standard Web Preview. For Lync Server 2013 it’s a requirement if you want to be able to present PowerPoint files in a conference. And well, for SharePoint...

Exchange 2013 CU7, Exchange 2010 SP3 RU8 and Exchange 2007 SP3 RU15 are out!

Update 12 december 2014: The fixed Exchange 2010 SP3 RU8 with v2 is now available. Same location as the plagued v1. Update 10 december 2014: Exchange Server 2010 SP3 RU8 has been pulled due to connectivity issues with Outlook. There is currently not ETA on the fix. Customers are advised to not install this RU8 or remove RU8 if they...

Mail enabled Public Folders on Exchange 2013 CU6 require action for internet mail to be received

So, CU6 is out. It’s easy to overlook the change mentioned within the Exchange 2013 Release Notes. And you might have missed the Exchange Team blog post about all Public Folder changes with CU6. And it might not be relevant for your situation. But I know certain customers rely on mail enabled Public Folders that are able to receive internet...

Released: Exchange 2013 CU6, Exchange 2010 SP3 RU7 and Exchange 2007 SP3 RU14

Today Microsoft released the 6th update to Exchange Server 2013, aptly named Cumulative Update 6 (CU6), the seventh update to Exchange Server 2010 SP3; Rollup Update 7 (RU7) and the 14th update to Exchange Server 2007 SP3 named Rollup Update 14 (RU14). They mostly contain smaller security fixes and/or bug fixes or DST (Daylight Saving Time) updates. Having said that,...

The UC Architects Episode 35: Service Packed! is available now!

A few days ago episode 35 of The UC Architects podcast went live! Service Packed! With Steve Goodman hosting, joined by John Cook, Michael Van Hybrid, Michel de Rooij, Serkan Varoglu, Ståle Hansen and yours truly. Our editor was the legendary Andrew Price. In this episode we talk (a lot) about Exchange Server 2013 Service Pack 1, a quick review...

Can we expect Exchange 2013 CU3 and 2010 SP3 RU3 soon? Keep watching KB2891587 and KB2892464!

UPDATE 2013/11/20: It looks like the links currently don’t work anymore, possibly because they referenced a non-released update. That’s too bad, but even when the update is not available yet this kind of information is still quite valuable (something I pointed out in a comment on the Exchange Team Blog The Road Ahead post) Just about an hour ago I...

Blocking the Windows 8 Mail app in Exchange 2010 & 2013

I think I might start a new tradition: every time a major/important OS or update is released, I try find out how to block it from Exchange . Now, I know the Mail app has been around for some time now. If you recollect, I did some research on how Exchange ActiveSync (EAS) within the Mail app works in general...

Failed Exchange Server 2013 CU2 & CU3 install due to security update 2874216 (updated again)

Today a customer asked for my help because an installation of Exchange Server 2013 Cumulative Update 2  (v2) had failed; Their Exchange environment didn’t work anymore and they were stuck. During the installation from Cumulative Update 1 (CU1) to Cumulative Update 2 (CU2), they encountered the following error: Error: Unable to remove product with code 4934d1ea-be46-48b1-8847-f1af20e892c1. Fatal error during installation....

Exchange Server 2013 RTM CU2 is out!

Just now the Exchange Team released Cumulative Update 2 for Exchange Server 2013. Some helpful links: Blogpost: Released: Exchange 2013 RTM Cumulative Update 2 Download: Cumulative Update 2 for Exchange Server 2013 Knowledge Base article: KB2859928 Sizing tool: Exchange 2013 Server Role Requirements Calculator v5.8 The Role calculator is also upgraded to support CU2, which is logical as CU2 now...