Shared SMTP domain between 2 hybrid Exchange environments

31 Mar

Initial situation

A shared SMTP domain between two hybrid Exchange environments, where no mailboxes are in the Office 365 tenant part.

The shared SMTP domain is

Company A mail-enabled objects (users and groups) has an addional smtp address

Company B mail-enabled objects (users and groups) has an addional smtp address Continue reading

GALsync v5 announced for Exchange 2013 and Office 365

18 Mar

NETsec announced version 5 of its favorite software GALsync to synchronize Global Address Lists between Exchange organizations.  With version 5.0 of GALsync,  support for Exchange Web Services and PowerShell 2.0 was added. GALsync now can synchronize with Exchange Online (Microsoft … Read More »

Troubleshooting Cross Forest Delegation

3 Mar

Setting up a untrusted  cross-forest environment supports a simple Free/Busy query between two the forests using „galsynced“ contacts.  This feature I described in article  Cross-Forest Free/Busy without Federation and its corresponding troubleshooting guide. In this article I want to share some experiences with troubleshooting the … Read More »

Free/Busy between two Exchange Online / Office365 Organizations

5 Feb

In this blog I will describe how you can provide Free/Busy information between different Exchange Online / Office 365 organizations. Usually people are able to send requests to share calendar individually, but we want to implement an enterprise-wide configuration. If … Read More »