I read a lot about thee problems others faced but none of them solved my issues . in the event viewer here are the problems.

1. LS Protocol Stack : Unable to bind for socket.
   
   Transport:TLS, IP address:77.42.220.238, Port:5061. Error:0x80072741 (The requested address is not valid in its context.).
   Resolution:
   Ensure that no other program is listening to the specified port and that the IP address is valid.Log Name:      Lync Server
   Source:        LS Protocol Stack
   Date:          4/14/2015 5:31:34 PM
   Event ID:      14346
   Task Category: (1001)
   Level:         Error
   Keywords:      Classic
   User:          N/A
   Computer:      lyncedge.domtech.org
   Description:
   Unable to bind for socket.
   
   Transport:TLS, IP address:77.42.220.238, Port:5061. Error:0x80072741 (The requested address is not valid in its context.).
   Resolution:
   Ensure that no other program is listening to the specified port and that the IP address is valid.
   Event Xml:
   <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
     <System>
       <Provider Name="LS Protocol Stack" />
       <EventID Qualifiers="50153">14346</EventID>
       <Level>2</Level>
       <Task>1001</Task>
       <Keywords>0x80000000000000</Keywords>
       <TimeCreated SystemTime="2015-04-14T14:31:34.000000000Z" />
       <EventRecordID>992</EventRecordID>
       <Channel>Lync Server</Channel>
       <Computer>lyncedge.domtech.org</Computer>
       <Security />
     </System>
     <EventData>
       <Data>TLS</Data>
       <Data>77.42.220.238</Data>
       <Data>5061</Data>
       <Data>0x80072741</Data>
       <Data>The requested address is not valid in its context.</Data>
     </EventData>
   </Event>
2. LS Protocol Stack : A configured transport has failed to start.
   
   Transport TLS has failed to start on local IP address 77.42.220.238 at port 5061.
   Cause: Configuration error, low system resources or another program is using the specified port. Can also happen if the IP address has become invalid.
   Resolution:
   Ensure that the IP address specified is valid and that no other program is listening on the specified port.Log Name:      Lync Server
   Source:        LS Protocol Stack
   Date:          4/14/2015 5:31:34 PM
   Event ID:      14336
   Task Category: (1001)
   Level:         Error
   Keywords:      Classic
   User:          N/A
   Computer:      lyncedge.domtech.org
   Description:
   A configured transport has failed to start.
   
   Transport TLS has failed to start on local IP address 77.42.220.238 at port 5061.
   Cause: Configuration error, low system resources or another program is using the specified port. Can also happen if the IP address has become invalid.
   Resolution:
   Ensure that the IP address specified is valid and that no other program is listening on the specified port.
   Event Xml:
   <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
     <System>
       <Provider Name="LS Protocol Stack" />
       <EventID Qualifiers="50153">14336</EventID>
       <Level>2</Level>
       <Task>1001</Task>
       <Keywords>0x80000000000000</Keywords>
       <TimeCreated SystemTime="2015-04-14T14:31:34.000000000Z" />
       <EventRecordID>993</EventRecordID>
       <Channel>Lync Server</Channel>
       <Computer>lyncedge.domtech.org</Computer>
       <Security />
     </System>
     <EventData>
       <Data>TLS</Data>
       <Data>77.42.220.238</Data>
       <Data>5061</Data>
     </EventData>
   </Event>
3. LS Server : The protocol stack reported a critical error: code 80072741 (The requested address is not valid in its context.). The service has to stop.Log Name:      Lync Server
   Source:        LS Server
   Date:          4/14/2015 5:31:34 PM
   Event ID:      12303
   Task Category: (1000)
   Level:         Error
   Keywords:      Classic
   User:          N/A
   Computer:      lyncedge.domtech.org
   Description:
   The protocol stack reported a critical error: code 80072741 (The requested address is not valid in its context.). The service has to stop.
   Event Xml:
   <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
     <System>
       <Provider Name="LS Server" />
       <EventID Qualifiers="50152">12303</EventID>
       <Level>2</Level>
       <Task>1000</Task>
       <Keywords>0x80000000000000</Keywords>
       <TimeCreated SystemTime="2015-04-14T14:31:34.000000000Z" />
       <EventRecordID>994</EventRecordID>
       <Channel>Lync Server</Channel>
       <Computer>lyncedge.domtech.org</Computer>
       <Security />
     </System>
     <EventData>
       <Data>80072741</Data>
       <Data>The requested address is not valid in its context.</Data>
     </EventData>
   </Event>
4. LS Protocol Stack : Unable to start the stack.
   
   Error: 0xC3E93C0A (SIP_E_STACK_TRANSPORT_FAILED)Log Name:      Lync Server
   Source:        LS Protocol Stack
   Date:          4/14/2015 5:31:34 PM
   Event ID:      14352
   Task Category: (1001)
   Level:         Error
   Keywords:      Classic
   User:          N/A
   Computer:      lyncedge.domtech.org
   Description:
   Unable to start the stack.
   
   Error: 0xC3E93C0A (SIP_E_STACK_TRANSPORT_FAILED)
   Event Xml:
   <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
     <System>
       <Provider Name="LS Protocol Stack" />
       <EventID Qualifiers="50153">14352</EventID>
       <Level>2</Level>
       <Task>1001</Task>
       <Keywords>0x80000000000000</Keywords>
       <TimeCreated SystemTime="2015-04-14T14:31:34.000000000Z" />
       <EventRecordID>995</EventRecordID>
       <Channel>Lync Server</Channel>
       <Computer>lyncedge.domtech.org</Computer>
       <Security />
     </System>
     <EventData>
       <Data>0xC3E93C0A</Data>
       <Data>SIP_E_STACK_TRANSPORT_FAILED</Data>
     </EventData>
   </Event>

Any Help Would be apreciated , Thanks !

• Edited by JadCham 16 hours 24 minutes ago