Can't join 2600 series Access Point to 4400 Series Wireless Controller

[thuthu90911]

Dear Sir

                       Please kindly answer to me. i can't not join the 2600 series AP to 4400 series WLC . as the following attachment file . i doing to first time please help me.

Thanks You. 

[Leo Laohoo · Accepted solution]

i can't not join the 2600 series AP to 4400 series WLC

The minimum firmware required for a 2600 is 7.2.110.0 and the WLC 4400 is unable to support this firmware.  

Either the WLC will need to be upgraded to a 2504/3504 or run the AP in autonomous.