BubbaKraut random stuff Bubba comes across - and needs to remember.

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Simplify Exchange Online OWA URL for hybrid environments

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Category: Office 365 migration

Outlook Web Access of Exchange Online can be found at https://mail.office365.com/yourtenant . When you have a hybrid deployment and users log into your on-premises CAS after their mailbox has moved to Exchange Online, they'll get a nice prompt telling them to get their collective butts to that URL. Basically, that works... but: It's not very nice - after all it looks like they're laving your organization to get their mail elsewhere.

Enter: the possibility to change the URL that's displayed and used for Exchange Online's OWA.

First of, I'm assuming you have control over your DNS space. Go there and create a CNAME in your namespace (e.g. Office365OWA.yourdomain.com) for mail.office365.com.

That out of the way, go to (Exchange) Powershell on the on premises hybrid server.

C:\get-OrganizationRelationship|fl

Find the value for "Identity" (probbaly something like: On-premises to O365 - 4e71xxxx-xxxx-xxxx-....)

Now set the link for Exchange Online's OWA:

set-OrganizationRelationship -Identity "<string you found above" -TargetOWAUrl http://<your new CNAME URL>/owa

NB: Make sure you use http instead of https and do not forget the /owa at the end

Windows Server 2012R2 cannot find License terms

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Category: Microsoft Stuff

Installing Windows Server 2012R2 as a virtual machine on a Windows Server 20112 Hyper-V host is easy. Mostly.

There IS a small caveat that had me pulling my hair out, though: Just quickly throwing a small vm into operation - accepting all the defaults - would result in a pesky error regarding the licensing terms. The message said "Windows cannot find the Microsoft Software License Terms. Make sure the installation source is valid and restart the installation."

Read more: Windows Server 2012R2 cannot find License terms

Resizing an iSCSI EXT3 disk, partition, and file system

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Category: Linux stuff

A client of mine uses an iSCSI target to back up databases on Oracle Enterprise Linux production machines.

Great concept - until the disk runs out of space and the admins want to take down the server to fix that. Ahum? Take the server offline for a backup drive? Come on, there's got to be a better way. And there is.

Read more: Resizing an iSCSI EXT3 disk, partition, and file system

Scsi with a Parachute

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Category: Virtualization

Great stuff: utilize the power of your SAN and have ESX(i) churn a lot less at the same time when your VDI boxes use their disks. Sounds good? It is. But: Microsoft doesn't provide us with a driver for the VMware Paravirtual SCSI (PVSCSI) adapter when booting from the install DVD. So - what now?

Read more: Scsi with a Parachute

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