ASA Unable to configure service on port 22, on interface 'Outside

[bukhari_genius]

I m unable to config SSH and observing  below error 

ERROR: Unable to configure service on port 22, on interface 'Outside'. This port is currently in use by another feature

Usage: [no] ssh {<local_ip>|<hostname>} <mask> <if_name>

        [no] ssh timeout <number>

        [no] ssh version 1|2

        [no] ssh scopy enable

        show ssh [sessions [<client_ip>]]

        ssh disconnect <session_id>

        show running-config [all] ssh

        clear configure ssh

[Georg Pauwen]

Hello,

do you have an RSA key pair configured ? Which ASA and which software version do you have ?

Post the config of the ASA if possible.

[bukhari_genius]

IOS is 8.4

Key pair was generated at: 10:17:26 PKT Mar 11 2003
Key name: <Default-RSA-Key>
Usage: General Purpose Key
Modulus Size (bits): 2048
Key Data:

30820122 300d0609 2a864886 f70d0101 01050003 123d44 3082010a 02820101
00d20a2a edd94406 4c3815df 99fce691 b45734c8 1975e19b 865bfafe 5ea4b47b
0a7c5896 c0ec1d0d 6447dd0b 59099f94 12e13787 f73cb17c c35b47c4 ee2b72e6
0a74a357 27057a41 51fcd4bf 184c8f82 ff8740b7 92f27cc4 c97af512 f9e971da
e52f0c0c d45e6f5b d795b4e2 2370c1a5 7c3b06b0 88d39e0c f255fafa 42314aca
d02a0f3a 0a3f4227 1b9e3385 7ae0da61 637d4a94 e32c2e50 3c6572e7 05cfcf98
8f44a143 1f63f969 1bc150e6 fe156230 842be40e 23b09dbb a2c9c4ac d6c001dc
15370039 a17f9747 49f6af04 69b752cc d260c85e 0083e8f6 92fecdea 1c6e5ea5
25bada60 35d859af d1b61c9c 3c0570c8 a5c16d21 b5a9d31c 91e29183 d6f902d2
bd020301 0001
Key pair was generated at: 18:42:47 PKT Mar 4 2003
Key name: <Default-RSA-Key>.server
Usage: Encryption Key
Modulus Size (bits): 768
Key Data:

307c300d 06092a86 4886f70d 4545455 00036b00 30680261 008c2c9f ab0db6b6
f4cced06 7ddf4514 81646c29 13feefd7 57ae7187 ae096abe 4b82e683 2c437d72
13fefbdf b750f4e3 ef52753f 22862566 2453a0c0 1f9cfc6b 273feea2 e966d338
b58e80df ea509e14 20426935 b02f8f2d f86a9428 43b3948b af020301 0001

[Karsten Iwen]

You probably have already a port-forwarding for tcp/22 configured. Then the same port can't be used for SSH on the ASA.