ProxyPass Appending "/" to URI 404 Error

So I updated your iRule to what you suggested and it's still adding the "/" to the end of the uri, here's the log:

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : devpasswordreset.environment.dev_443: 10.67.36.185:56223 -> 172.30.25.84:443

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : VS=devpasswordreset.environment.dev_443, Host=devpasswordreset.environment.dev, URI=/: Found Rule, Client Host=devpasswordreset.environment.dev, Client Path=/, Server Host=devpasswordreset.environment.dev, Server Path=/rdweb/pages/en-us/devpassword.aspx/

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : VS=devpasswordreset.environment.dev_443, Host=devpasswordreset.environment.dev, URI=/: Using default pool devpasswordreset.environment.dev_80

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : VS=devpasswordreset.environment.dev_443, Host=devpasswordreset.environment.dev, URI=/: New Host=devpasswordreset.environment.dev, New Path=/rdweb/pages/en-us/devpassword.aspx/

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : VS=devpasswordreset.environment.dev_443, Host=devpasswordreset.environment.dev, URI=/: Removed Accept-Encoding header

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : VS=devpasswordreset.environment.dev_443, Host=devpasswordreset.environment.dev, URI=/: 404 response from devpasswordreset.environment.dev_80 172.30.26.98 80

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : VS=devpasswordreset.environment.dev_443, Host=devpasswordreset.environment.dev, URI=/: $stream_expression_cmd: STREAM::expression "@devpasswordreset.environment.dev/rdweb/pages/en-us/devpassword.aspx/@devpasswordreset.environment.dev/@ @/rdweb/pages/en-us/devpassword.aspx/@/@", $stream_enable_cmd: STREAM::enable

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : VS=devpasswordreset.environment.dev_443, Host=devpasswordreset.environment.dev, URI=/: Successfully configured and enabled stream filter

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : VS=devpasswordreset.environment.dev_443, Host=devpasswordreset.environment.dev, URI=/: Checking Location=, $protocol=

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : VS=devpasswordreset.environment.dev_443, Host=devpasswordreset.environment.dev, URI=/: Checking Content-Location=, $protocol=

Mar  7 07:19:08 local/tmm info tmm[4929]: Rule ProxyPass : VS=devpasswordreset.environment.dev_443, Host=devpasswordreset.environment.dev, URI=/: Checking URI=, $protocol=

My datagroup is setup like

/ := devpasswordreset.environment.dev/rdweb/pages/en-us/devpassword.aspx