Windows Azure Network: Packets being dropped after sending RST/FIN

We identified an issue that SLB seems reusing ports immediately after being released after a RCP RST or FIN. Azure Engineering team will fix it in next release, while an effective workaround is to configure PIP for the VM. Please refer to this article for detailed steps: How to add an ILPIP to an existing…

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PowerShell Verbose Preference

After installing some PowerShell modules such as Windows Azure PowerShell, Azure SDK and WAOC internal PS modules, the PowerShell output became verbose style all the ways, pretty annoying: Who made this lovely change and where it being controlled? The trick is here. The PowerShell icon in your task bar actually pointing to a startup script,…

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Windows 10 and ADFS pain

Windows 10 preview getting constantly updated and giving us new surprising & pains. This time ADFS malfunctioned. ADFS failed to authenticate with current credential: Then "bad request": Resolution is simple. Reset IE and erase all your personal settings, the ADFS working happily with new IE.

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Working with GALSync and cross-forest Lync

Brief Introduction ================================= We already have plenty of articles describing how to share Free/Busy across forests and how to enable Lync in a multi-forest scenario. But what about an Exchange-Lync combination in this cross forest scenario? I'm writing this blog trying to provide you some hints on it. Scenario: Customer got two forests, one for…

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Installing Windows on disks larger than 2TB

Some friend raised an interesting topic: How do we boot Windows 7/8 on disks larger than 2TB? My first guess would be simple: select "Repair your computer" before clicking "Install now" button, enter command prompt to load the disk driver & prepare disk with DISKPART. But soon I realized installing & booting from disk larger…

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Interpreting the SupportedEncryptionTypes Registry Key

Currently we support multiple encryption algorithm in Kerberos. Here’s a brief description from TechNet: Encryption type Description and version support DES_CBC_CRC Data Encryption Standard with Cipher Block Chaining using the Cyclic Redundancy Check function Supported in Windows 2000 Server, Windows XP, Windows Server 2003, Windows Vista, and Windows Server 2008. The Windows 7 and Windows Server 2008 R2 operating systems do not support DES by default….

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