Sitecom WLR-4002B - Configure the following settings: Under Data encryption, select Optional encryption (connect even if no encryption) Check Unencrypted password (PAP) Check Challenge Handshake Authentication Protocol (SPAP) Uncheck Microsoft CHAP (MS-CHAP) Check Microsoft CHAP Version 2 (MS-CHAP v2) Click OK to continue.

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12. Configure the following settings:
Under Data encryption, select Optional encryption (connect even
if no encryption)
Check Unencrypted password (PAP)
Check Challenge Handshake Authentication Protocol
(SPAP)
Uncheck Microsoft CHAP (MS-CHAP)
Check Microsoft CHAP Version 2 (MS-CHAP v2)
Click OK to continue.
13. Click Yes to continue. If the VPN type you have configured in the WLR-
4002B is PPTP you can skip step 14.