How to join 2 downloaded upgrade files to one file

If you download an update for Cisco Unified Communication Manager (Callmanager) you get the update files in 2 parts. You have to combine this two files to one before you can upload the iso file to the system.

For example:

You want to install service release 6.1(4a) and downloaded the 2 files:

UCSInstall_UCOS_6.1.4.1190-3.sgn.iso_part1of2
UCSInstall_UCOS_6.1.4.1190-3.sgn.iso_part2of2

You have to combine these two files to: UCSInstall_UCOS_6.1.4.1190-3.sgn.iso

Follow the following steps to do this:
1. Put the 2 source files in a directory

2. Open a command prompt (cmd.exe)

3. issue the following command to combine:

COPY /B UCSInstall_UCOS_6.1.4.1190-3.sgn.iso_part1of2+UCSInstall_UCOS_6.1.4.1190-3.sgn.iso_part2of2 UCSInstall_UCOS_6.1.4.1190-3.sgn.iso


4.Use an md5sum utility to verify that the MD5 sum of the final file is correct.
(for example: md5summer.exe)


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