Disable SSL 3.0 Protocol for Exchange 2013 (pre-CU8)

Prior to the release of CU8 for Exchange Server 2013 yesterday, you may have been prompted with an error (similar to the screenshot below) while validating or checking the installation of your SSL certificate. For all of my Exchange projects, I will check validity of the certificates installed by running the DigiCert SSL Installation Diagnostics Tool. In this instance, an error…

Exchange 2013 Product Version Numbers

Updated on 18 October 2018 IMPORTANT: With CU21 for Exchange 2013, .NET Framework 4.7.2 is now supported and will be a requirement with CU23 (anticipated release in Jun 2019). With CU19 for Exchange 2013, .NET Framework 4.7.1 is now supported and will be a requirement with CU21 (anticipated release in Jun 2018). FYI … .NET Framework…

Exchange 2013 Forest and Domain Versions

Updated on 22 June 2015 To see what Exchange 2013 forest and domain versions are installed, open an elevated PowerShell console from either a domain controller or an Exchange server and run the following commands… $RootDSE=([ADSI]””).distinguishedName For Schema (Forest): rangeUpper, run… ([ADSI]”LDAP://CN=ms-Exch-Schema-Version-Pt,CN=Schema,CN=Configuration,$RootDSE”).rangeUpper For Schema (Forest): objectVersion, run… ([ADSI]”LDAP://CN=First Organization,CN=Microsoft Exchange,CN=Services,CN=Configuration,$RootDSE”).objectVersion NOTE: In the command above, the value “CN=First…