Hi ,
Is this possible upgrade directly ? , upgrade directly is not impossible from your current version 5.1.64.0 you need to upgrade to minimum version 5.2.110.0 , from here to version 7.0.240 is possible directly .
Similarly you can operate your WLC with version 7.0.230 after your WCS upgrade .
http://www.cisco.com/c/en/us/td/docs/wireless/wcs/release/notes/WCS_RN7_0_240.html#wp176858
Table 1-1 WCS Versions
WCS Version | Supported Controller Versions | Supported Location Server Versions | Supported MSE Versions | Release Date | Upgrade Supported From | Operating System Requirement |
---|
7.0.240.0 | 7.0.240.0 7.0.235.3 7.0.235.0 7.0.230.0 7.0.220.0 7.0.116.0 7.0.98.218 7.0.98.0 6.0.202.0 6.0.199.4 6.0.196.0 6.0.188.0 6.0.182.0 6.0.108.0 5.2.193.0 5.2.178.0 5.2.157.0 4.2.209.0 4.2.207.0 4.2.205.0 4.2.176.0 4.2.173.0 4.2.130.0 4.2.112.0 4.2.99.0 4.2.61.0 | - | 7.0.240.0 | January 2013 | 7.0.230.0 7.0.220.0 7.0.172.0 7.0.164.3 7.0.164.0 6.0.202.0 6.0.196.0 6.0.181.0 6.0.170.0 6.0.132.0 5.2.148.0 5.2.130.0 5.2.125.0 5.2.110.0 | Windows 2003 SP2 32-bit RHEL 5.x Windows/ RHEL on ESX 3.0.1 and later No support for 64 bit |
HTH
sandy