Check out the following KB articles:
941009 You experience slow performance in Microsoft Dynamics SL 7.0 or in Microsoft Dynamics SL 2011
967709 Troubleshoot performance issues in Microsoft Dynamics SL
If the screens are customized, check to see how quickly they open in Standard mode.
Adam LeonardTechnical Support Engineer
**This posting is provided "AS IS" with no warranties and confers no rights.
We upgraded from SL 6.5 to 2011 and all client communications were dead slow (15-20 sec) for each screen. The issue was that the connection method to SQL Server was NP (from old installation) instead of TCP. Once the protocol order is changed on the client machine, performance is very good.
Protocol order can be found in the registry at
Hope this helps. Do not forget to back up the registry first.
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