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SBS Exchange 03 - iPhone - Activesync - 29.Sep.2008 7:55:12 PM

killerbecks

Posts: 6
Joined: 13.Apr.2007
Status: offline

Windows mobile devices work fine. OWA works fine.
I have been through Dr. Shinder's guides and rebuilt IIS, CA, etc... to no avail
When looking at the W3SVC logs on the Exchange server = no data
When looking at the Web logs on ISA = one line connection attempts

Here is a capture from the external side of ISA - Any help would be greatly appreciated

1 0.000000 32.173.182.112 172.16.0.2 TCP 49386 > https [SYN] Seq=0 Len=0 MSS=1410 TSV=441691361 TSER=0
2 0.000052 172.16.0.2 32.173.182.112 TCP https > 49386 [SYN, ACK] Seq=0 Ack=1 Win=16920 Len=0 MSS=1460 TSV=0 TSER=0
3 0.393989 32.173.182.112 172.16.0.2 TCP 49386 > https [ACK] Seq=1 Ack=1 Win=65535 Len=0 TSV=441691365 TSER=0
4 0.432152 32.173.182.112 172.16.0.2 TLSv1 Client Hello 5 0.434648 172.16.0.2 32.173.182.112 TCP [TCP segment of a reassembled PDU]
6 0.435021 172.16.0.2 32.173.182.112 TLSv1 Server Hello, Certificate, Server Hello Done
7 1.635862 32.173.182.112 172.16.0.2 TCP 49386 > https [ACK] Seq=67 Ack=1399 Win=65535 Len=0 TSV=441691371 TSER=42356173
8 1.636323 32.173.182.112 172.16.0.2 TCP 49386 > https [ACK] Seq=67 Ack=1507 Win=65535 Len=0 TSV=441691372 TSER=42356173
9 1.874240 32.173.182.112 172.16.0.2 TLSv1 Client Key Exchange
10 1.875190 32.173.182.112 172.16.0.2 TLSv1 Change Cipher Spec
11 1.875277 172.16.0.2 32.173.182.112 TCP https > 49386 [ACK] Seq=1507 Ack=212 Win=16709 Len=0 TSV=42356187 TSER=441691373
12 1.892220 32.173.182.112 172.16.0.2 TLSv1 Encrypted Handshake Message
13 1.892712 172.16.0.2 32.173.182.112 TLSv1 Change Cipher Spec, Encrypted Handshake Message
14 2.293821 32.173.182.112 172.16.0.2 TCP 49386 > https [ACK] Seq=249 Ack=1550 Win=65535 Len=0 TSV=441691384 TSER=42356187
15 2.416564 32.173.182.112 172.16.0.2 TLSv1 Application Data
16 2.416804 172.16.0.2 32.173.182.112 TLSv1 Application Data, Application Data
17 2.818694 32.173.182.112 172.16.0.2 TCP 49386 > https [ACK] Seq=564 Ack=1816 Win=65535 Len=0 TSV=441691389 TSER=42356193
18 2.851739 32.173.182.112 172.16.0.2 TLSv1 Encrypted Alert
19 2.951872 32.173.182.112 172.16.0.2 TCP 49386 > https [FIN, ACK] Seq=587 Ack=1816 Win=65535 Len=0 TSV=441691389 TSER=42356193
20 2.951917 172.16.0.2 32.173.182.112 TCP https > 49386 [ACK] Seq=1816 Ack=588 Win=16334 Len=0 TSV=42356198 TSER=441691389
21 2.952039 172.16.0.2 32.173.182.112 TCP https > 49386 [FIN, ACK] Seq=1816 Ack=588 Win=16334 Len=0 TSV=42356198 TSER=441691389
22 2.954515 32.173.182.112 172.16.0.2 TCP 49387 > https [SYN] Seq=0 Len=0 MSS=1410 TSV=441691390 TSER=0

Etc...

Post #: 1

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RE: SBS Exchange 03 - iPhone - Activesync - 29.Oct.2008 5:58:04 PM

killerbecks

Posts: 6
Joined: 13.Apr.2007
Status: offline

Found the answer:

Basically, the ISA 2000 firewall server filters the Activesync headers and doesn�t forward all necessary data to the iPhone. The fix for ISA 2000 requires BOTH the latest ISA service pack and a registry change to allow all the communcations options to be passed via Activesync:

Once the ISA 2000 Service Pack is installed, set the registry key DWORD HKLM\System\CurrentControlSet\Services\W3Proxy\Parameters\PassOPTIONSToPublishedServer - Data value to 1, and reboot the ISA server.

(in reply to killerbecks)

Post #: 2