[Maintenance Windows] Central servers supporting various applications for OS patching

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Resumption of Network, WiFi and IP Phone services at Composite Building

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Service outage of all in-house applications including transcript application, PRSD, RPG admission, for the period 19:30 to 21:49

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Resumption of with some Teams phone devices that are unable to receive incoming calls

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[Maintenance Windows] Server supporting applications running on hkuesd.hku.hk and central authentication for OS patching

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[Maintenance Windows] Servers supporting Oracle Financials for OS patching

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[Maintenance Windows] Core Switch upgrade for WiFi network

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