Description of problem:
Fails to reset password on a vm created base on a captured image.
This image is captured from a vm on which the reset password manipulation is done.

Version-Release number of selected component (if applicable):
WALinuxAgent-2.0.16-1.el6

How reproducible:
Always

Steps to Reproduce:
1. Prepare a VM and do reset password on it through portal.
2. Capture this VM as a image. And create a new VM base on this image.
3. Do reset password on this new VM.
4. Try to use the new password to login the new VM

Actual results:
3. Fails to reset password on this new VM even it returns success on portal.
4. Fails to login the new VM.
The following is the log from /var/log/azure/Microsoft.OSTCExtensions.VMAccessForLinux/1.4.0.0/extension.log.
"""
1.0]Config decoded correctly.
2016/02/02 01:54:58 [Microsoft.OSTCExtensions.VMAccessForLinux-1.0]set most recent sequence number to 1
2016/02/02 01:54:58 CreateAccount: azureuser already exists. Will update password.
2016/02/02 01:54:58 Created user account: azureuser
2016/02/02 01:54:58 [Microsoft.OSTCExtensions.VMAccessForLinux-1.0]Succeeded in create the account or set the password.
2016/02/02 01:54:58 [Microsoft.OSTCExtensions.VMAccessForLinux-1.0]Succeeded in resetting ssh_key.
2016/02/02 01:54:58 [Microsoft.OSTCExtensions.VMAccessForLinux-1.0]Enable,success,0,Enable succeeded.
2016/02/15 02:39:40 [Microsoft.OSTCExtensions.VMAccessForLinux-1.0]sequence number is 1
2016/02/15 02:39:40 [Microsoft.OSTCExtensions.VMAccessForLinux-1.0]setting file path is/var/lib/waagent/Microsoft.OSTCExtensions.VMAccessForLinux-1.4.0.0/config/1.settings
2016/02/15 02:39:40 [Microsoft.OSTCExtensions.VMAccessForLinux-1.0]JSON config: {"runtimeSettings":[{"handlerSettings":{"protectedSettingsCertThumbprint":"E23EEEA55A175169EB0D2719A7A6BAE3C909C7A3","protectedSettings":"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!
ViK93rJLPY
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"}}]}
2016/02/15 02:39:40 [Microsoft.OSTCExtensions.VMAccessForLinux-1.0]Config decoded correctly.
2016/02/15 02:39:40 [Microsoft.OSTCExtensions.VMAccessForLinux-1.0]Current sequence number, 1, is not greater than the sequnce number of the most recent executed configuration. Exiting...
"""

Expected results:
Success to reset password on these kind of VM.

Additional info:
The root cause is the most recent sequence number on the new VM is get from the file "/var/lib/waagent/Microsoft.OSTCExtensions.VMAccessForLinux-1.4.0.0/mrseq"
And it's always greater than or equal to the Current sequence number which will be reset when do the reset password on a new provisioned VM.