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MSI error code 1638: “Another version of this product is already installed”

When you try to remove an application, you receive the following error: “Another version of this product is already installed” with the error code 1638. This is a problem with minor/major versions of the installed product. When a GUID of a msi package changes (when an msi is generated for example), the product will detect itself […]

Data Protection Manager: using custom volumes instead of storage pool

Within Data Protection Manager you can use custom volumes instead of the storage pool. This can be helpful in specific scenarios where the storage pool is just not the thing you need. You have to use local disks on the DPM server for custom volumes. These can be: Local installed (RAID) disks SAN storage connected […]

Medium Changer driver for DataDomain VTL

The StorageTek L180 driver is needed to let the DataDomain VTL function properly. Click here to download it. The driver says it’s suitable for Windows Server 2003, 2008, but also works with Windows Server 2012 (R2).

Invalid product key error when adding Windows Server 2012 R2 or Windows 8.1 KMS key

When you try to add the the KMS key for Windows Server 2012 R2 or Windows 8.1: cscript %windir%\system32\slmgr.vbs /ipk [product key] you receive the following error: 0xC004F050 The Software Licensing Service reported that the product key is invalid The KMS server needs to be updated before the key is recognized. Follow this link, download […]

Lync 2013 client ‘Network password required to connect’

The Lync 2013 client shows the popup ‘Network password required to connect’ when started: This can occur when you are using a proxy server. The Lync client tries to reach several internal and/or external domains depending on your configuration. Internal traffic must remain internal, so this will fail if send over the proxy. Solution without […]

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