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(Solved) Office 365 : Uniqueness constraint violation

This week I had a migration from local to Office 365. This tenant was earlier used for testing purposes, all users are synced with AADConnect to the tenant. When I tried to add a license to this user, I received an error, I’ve never seen before; “Uniqueness constraint violation”.

 

Read more… (Solved) Office 365 : Uniqueness constraint violation

Windows 8.1 /2012 R2: How to add new product keys to your KMS server / Upgrade your VAMT 3.0.

When using a Volume Activation Management Tool ( VAMT ) 3.0 you want to add your Windows 8.1 and Windows server 2012 R2 license keys, to the product keys.

This is NOT possible !!!

Your unable to add the Windows 8.1 and Windows server 2012 R2 product

Read more… Windows 8.1 /2012 R2: How to add new product keys to your KMS server / Upgrade your VAMT 3.0.