GDR & LDR : The Next Generation

Following on from: GDR, QFE, LDR… WTH? Branching Out Service Packs – Levels vs Installers One of the questions I have received a few times after publishing the previous blogs is “how do I see if a given binary is on the GDR or LDR branch on my system?” Pre-Vista this is actually simple to…


Service Pack 1 BETA available for download for Windows 7 & Server 2008 R2

If you need to test the new RemoteFX or Dynamic Memory features in W2K8R2 RDS or Hyper-V respectively, then you can download the beta of the upcoming first service pack for Windows Server 2008 R2 (and Windows 7 for the client-side bits) here. I wouldn’t bother installing the beta service pack on a Windows 7…


Windows Server 2008 R2 SP1 public beta ETA announced

Pop on over to the Windows Server Division Weblog for the detailed announcement, but the snippet of interest to people waiting for SP1 is this bit: “…the public beta of Service Pack 1 for Windows Server 2008 R2 and Windows 7 will be released by the end of July.” That is all.


Windows 7 & Server 2008 R2 – What to expect from SP1?

Windows Service Packs are traditionally roll-up packages of hotfixes into a single, manageable package for easier updating of the OS to a known (minimum) state – they almost certainly contain extra changes that were not in any package delivered through Windows Update (LDRs) and occasionally other changes not present in any hotfix package. Sometimes there…


Service Packs – Levels vs Installers

Following the question left on the previous blog entry Branching Out, I need to clear something up that may be a little confusing: A Service Pack level and Service Pack installer are different things. A client with Windows Vista installed that reports itself at Service Pack 2 has all of the hotfixes released prior to…


Branching Out

Following on from the previous entry regarding hotfix packages and the branches, here is a fictitious product life cycle:     At time T1 the product is released (RTM). After RTM there is a GDR hotfix package “a” released – this package will contain both GDR and LDR versions of the updated binary. Later, LDR hotfix…



Update 2012-04-16: Later related blog entries (as the topic grew in its scope and version numbering/branch identification changed after Windows Server 2003): Branching Out (2009-05-18) – gives a generic overview of the branching mechanism, with examples Service Packs – Levels vs Installers (2009-05-29) – distinguishes between “service pack level” and “service pack installer” for disambiguation…