All of the devices used in this document started with a cleared (default) configuration. 100 Safe and Secure Free Download (32-bit/64-bit) Latest Version 2021.The information in this document is based on these software and hardware versions:Cisco ASA Security Appliance that runs software version 8.xCisco IOS ® Router that runs Cisco IOS Software Release 12.4(20)TCisco AnyConnect Client software version 2.xThe information in this document was created from the devices in a specific lab environment. Components UsedDownload Cisco AnyConnect Secure Mobility Client for Windows PC from FileHorse. For versions 2.5 and earlier, choose Cisco AnyConnect VPN Client.There are no specific requirements for this document. For version 3.0, choose Cisco AnyConnect Secure Mobility Client.Upload the suitable AnyConnect package for MAC in order to resolve this issue. SolutionThis can be a problem with the absence of the MAC-related AnyConnect package on the flash of the router. Package Corrupt Error MessageWhen AnyConnect 2.3 is launched from an Apple MAC machine, the Anyconnect Package corrupt or unavailable error message appears and eventually, the connection attempt fails. Error MessagesThis section shows a list of error messages along with the solutions. ConventionsRefer to Cisco Technical Tips Conventions for more information on document conventions.
In order to resolve this issue, you can upgrade to the AnyConnect release , which has the Split DNS Functionality Enhancement. SolutionThis behavior is observed and filed in Cisco bug ID CSCtf03894 ( registered customers only). This is a problem with only the Apple MAC machines and works fine with Windows machines. These are example packages for your reference:When split DNS is enabled on an AnyConnect setup, it is found that all the DNS queries are sent in clear but not tunneled. For MACs on the Intel processor, you need the i386 macos image and for MACs that run the Power PC processor (PPC) you need the powerpc macos image. Toshiba mk1637gsx media for macFirst verify if any IPv6 adaptors are enabled on the MAC machine and check if MAC tries to contact ASA over the IPv6 network. SolutionThis can be a problem with the way the MAC machine attempts to connect to the ASA. The connection fails and the SVC Message: 16/ERROR: Initialization failure (mem allocfailed, etc.) error message appears. The VPN gateway is ASA running 8.0.4. SVC Error MessageThe launch of AnyConnect from a Macbook Pro running OSX Leopard is not successful. ![]() Verify the existing MTU size on the VPN gateway, for example, ASA and modify it to a lesser value. SolutionThe issue can be due to the length of the PMTU. There is a proxy server in use for Internet traffic. It neither works by FQDN nor by IP address. MAC OSX 10.6.3 is Unable to get to InternetWhen you use the AnyConnect on a MAC machine, you can access the Internal Corporate network but you are unable to browse to the Internet. In order to resolve this issue, always try to map the DNS URL to connect to one specific VPN gateway only. SolutionThis behavior has been tested and filed in Cisco bug ID CSCtn93915 ( registered customers only). The current version of Firefox is 3.6.13. Unable to Upgrade Firefox while AnyConnect is Installed on MACThis error message appears when you upgrade Firefox on Apple machine version 10.6: The operation can't be completed because the itemOn machines that use softtokens, this error message appears: The operation can't be completed because the itemIt is observed that these MAC machines have AnyConnect version 2.5 installed. There is no current plan to enable NAM to support MAC OSX platform. Refer to Network Access Manager (Replacement for CSSC) for more information. Wireless CSSC for an Apple MACCurrently, the NAM module on the AnyConnect 3.0 product replaces the Cisco Secure Services Client (CSSC). In order to resolve this issue, follow the below steps.Change to run applets in their own process.If this does not help, upgrade the AnyConnect client to the latest available release.You are unable to launch AnyConnect on the MAC machine due to certain incompatible software. Refer to Cisco bug ID CSCtq86368 ( registered customers only) for more information. Sometimes, Java gets stuck when you use the web launch with MAC machine. SolutionThe issue could be with the Java and Web applet settings on the machine. All other upgrades after this should work fine.Web-based Installation of AnyConnect HangsThe authentication phase works fine but the VPN system hangs at the Using Sun Java for installation phase. Cisco Anyconnect Vpn Client Software Download With ValidChoose the required software package and download with valid Cisco user credentials. SolutionOpen the Cisco AnyConnect VPN Client home page and click on Download Software ( registered customers only) on the right hand side of the web page. Unable to Download the MAC AnyConnect PackageThere are issues when you download the AnyConnect for MAC software from Cisco.com. Refer to IPSec VPN client for Apple MAC for more information and complete details. Cisco AnyConnect Secure Mobility Client 2.
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