It is not permissible for one in the state of ihram to contract a marriage for himself or for another
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Question: What is the validity of a marriage contract made by a person in the state of ihram while he is performing Hajj? Is it permissible? Is this contract valid or not?
Answer: The Prophet (peace and blessings be upon him) said:Sunan Abi Dawud 1841Sahih (Al-Albani)
Answer: The Prophet (peace and blessings be upon him) said:
A pilgrim may not marry and give someone in marriage in the sacred state(while wearing ihram).
لا يَنْكِح المحرم ولا يُنْكِح
Source
binbaz.org.sa
The Arabic text is copied verbatim from the original source, without any edits.