Category Archives: Microsoft

Office 365 on-premises

Warning user’s on-premises mailbox hasn’t been migrated to Exchange Online I have been working with Office 365 for the last three days.  This error provided hours of enjoyment. There is no on-premise exchange server.  So WTF! After many hours of troubleshooting I have a resolution. Remove the synchronization of the attribute msExchMailboxGuid to Office 365 We… Read More: Office 365 on-premises »

Scope it out

Scope it out! Most of you reading this post know of scope creep or have experienced it. Let me explain for those of you that do not know scope creep. Scope creep happens when the project that is currently being deployed was never completely scoped out. Let me give you and example. In a VDI… Read More: Scope it out »

Configure NTP on Windows server

Configure external NTP on a Windows Server To keep this as simple as possible use the following commands: w32tm /config /manualpeerlist:pool.ntp.org,0x8 /syncfromflags:MANUAL net stop w32time net start w32time If the machine is a VM, you have to disable the time sync. Check the NTP settings on a Windows Server w32tm /query /status Manually/Force synchronization the external… Read More: Configure NTP on Windows server »

Exchange 2010 Fixing Internal Hostname SSL Errors

How to fix the Exchange 2010 Internal Hostname certificate Error I am going to bet you have seen an error similar to this. Let’s assume your Exchange server is known as “cpexchange2010.domain.local” internally but the external name is “mail.domain.com”. Solution You need to add the (“domain.com”) to your internal IP and setup a record to point… Read More: Exchange 2010 Fixing Internal Hostname SSL Errors »