Version Build Number Release Date (DD/MM/YYYY) KB Articles:  SDK Version
RC 05.00.9688.53   KB2461082  
RTM 05.00.9688.583 16/02/2011    
Update Rollup 1 05.00.9688.1045 07/04/2011 KB2466084  
Update Rollup 2 05.00.9688.1155 06/06/2011 KB2466086  
Update Rollup 3 05.00.9688.1244 26/07/2011 KB2547347  5.0.5
Update Rollup 4 05.00.9688.1450 19/09/2011 KB2556167  
Update Rollup 5 05.00.9688.1533 20/10/2011 KB2567454  5.0.7  5.0.8
Update Rollup 6 05.00.9689.1985 05.00.9690.1992 12/01/2012 20/01/2012 KB2600640  5.0.9
Update Rollup 7 05.00.9690.2165 22/03/2012 KB2600643  5.0.10
Update Rollup 8 05.00.9690.2243 03/05/2012 KB2600644  
Update Rollup 9 Cancelled - -  
Update Rollup 10 05.00.9690.2730 05.00.9690.2740 16/08/2012 04/10/2012 KB2710577  5.0.12
Update Rollup 11 05.00.9690.2835 05.00.9690.2838 11/10/2012 23/10/2012 KB2739504  
Critical Update for Update Rollup 11 05.00.9690.2903 7/26/2013 KB2855319  
Update Rollup 12 (OnPremise / v2) 05.00.9690.3218/ 05.00.9690.3233/ 05.00.9690.3236 07/01/2013 30/01/2013 KB2795627  5.0.14
CRM Online "Polaris" (UR12+) 05.00.9690.3233 13/01/2013  N/A  5.0.14
Update Rollup 13 05.00.9690.3448  03/26/2013  KB2791312   5.0.15 
Update Rollup 14 05.00.9690.3557  07/13/2013  KB2849744   5.0.16 
Update Rollup 15 05.00.9690.3731  10/08/2013  KB2843571   5.0.17
Update Rollup 16 05.00.9690.3911  01/22/2014  KB2872369                 
Update Rollup 17 05.00.9690.4150 05/08/2014 KB2915687  
Update Rollup 18 05.00.9690.4376 9/24/2014 KB2958724  

Determining the Currently Installed Version Numbers for Dynamics CRM 2011