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File transfers failing across S2S VPN after Cisco ASA firmware upgrade.

 
Hi All,

I recently upgraded our Cisco ASA 5545 to version 9.9(2)36.  Since the upgrade we are not able to transfer files to/from our Azure tenants via the site to site vpn we have setup.  Here is an example:  vpn, tunnel

Local Server: 10.1.1.151
Azure server: 10.211.20.100

We can ping both ways fine, but file trans are failing.  It just hangs when I try a transfer.  For the monitoring I am seeing TCP Reset-I from inside.  Could this be the reason the file transfers are failing?  If so, anybody have any idea how to remedy that reset??

Jan 08 2019      08:25:33      302014      10.211.20.100      445      10.1.1.151      51178      Teardown TCP connection 38499637 for outside:10.211.20.100/445 to inside:10.1.1.151/51178 duration 0:05:53 bytes 5384 TCP Reset-I from inside

Thanks in advance.
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Beginner

Re: File transfers failing across S2S VPN after Cisco ASA firmware upgrade.

an addition to this, I have updated our Firepower modules as well. So I am not sure if this might be contributing to the possibility of this issue too. Perhaps IDS/IPS?
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