To resolve this issue follow the steps below by apply the following tcp tuning from Microsoft:
1. Open the Registry
2. Navigate to Local Machine\System\CurrentControlSet\Services\TCPIP\Parameters
3. Add new DWORD Value named TcpTimedWaitDelay, right click and select Modify. Select decimal radio button, type in 30. (The default value of this parameter is 2 minutes. This is how long it will take for a TCP/IP port that was used by the network for a connection to be released and made available again. 30 sec is the minimum allowed by Microsoft)
4. Add new DWORD Value named MaxUserPort, right click and select Modify. Select decimal radio button, type in 65534. ( The default value is 5000. This determines the highest port number TCP can assign when an application requests an available user port from the system.
5. Add new DWORD Value named MaxFreeTcbs, right click and select Modify. Select decimal radio button, type in 6250. (The default value is 2000. This determines the number of TCP control blocks (TCBs) the system creates to support active connections. Because each connection requires a control block, this value determines how many active connections TCP can support simultaneously. If all control blocks are used and more connection requests arrive, TCP can prematurely release connections in the TIME_WAIT state in order to free a control block for a new connection.)
6. Reboot Planning and Essbase Servers.
Make sure that you have a backup of your registry database before applying the above steps.
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